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Document and Entity Information - USD ($)	12 Months Ended
Document and Entity Information - USD ($)	Jun. 30, 2018	Aug. 01, 2018	Dec. 31, 2017
Document and Entity Information
Entity Registrant Name	ASPEN TECHNOLOGY INC /DE/
Entity Central Index Key	0000929940
Document Type	10-K
Document Period End Date	Jun. 30, 2018
Amendment Flag	false
Current Fiscal Year End Date	--06-30
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 4,245,574,876
Entity Common Stock, Shares Outstanding		71,009,111
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	FY

CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Revenue:
Subscription and software	$ 471,041	$ 453,512	$ 440,408
Services and other	28,473	29,430	31,936
Total revenue	499,514	482,942	472,344
Cost of revenue:
Subscription and software	23,228	21,051	20,376
Services and other	27,416	26,415	28,235
Total cost of revenue	50,644	47,466	48,611
Gross profit	448,870	435,476	423,733
Operating expenses:
Selling and marketing	101,077	92,633	91,536
Research and development	82,076	79,530	67,152
General and administrative	56,076	51,297	53,664
Total operating expenses	239,229	223,460	212,352
Income from operations	209,641	212,016	211,381
Interest income	231	808	441
Interest (expense)	(5,691)	(3,787)	(1,212)
Other (expense) income, net	(838)	1,309	29
Income before provision for income taxes	203,343	210,346	210,639
Provision for income taxes	54,655	48,150	70,688
Net income	$ 148,688	$ 162,196	$ 139,951
Net income per common share:
Basic (in dollars per share)	$ 2.06	$ 2.12	$ 1.69
Diluted (in dollars per share)	$ 2.04	$ 2.11	$ 1.68
Weighted average shares outstanding:
Basic (in shares)	72,140	76,491	82,892
Diluted (in shares)	72,956	76,978	83,309

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income	$ 148,688	$ 162,196	$ 139,951
Other comprehensive loss:
Net unrealized gains on available for sale securities, net of tax effects of $12 for fiscal year 2016	0	0	22
Foreign currency translation adjustments	(71)	(1,192)	(3,841)
Total other comprehensive loss	(71)	(1,192)	(3,819)
Comprehensive income	$ 148,617	$ 161,004	$ 136,132

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net unrealized gains on available for sale securities, tax effects	$ 0	$ 0	$ 12

CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2018	Jun. 30, 2017
Current assets:
Cash and cash equivalents	$ 96,165	$ 101,954
Accounts receivable, net	21,910	27,670
Prepaid expenses and other current assets	10,509	12,061
Prepaid income taxes	2,601	4,501
Total current assets	131,185	146,186
Property, equipment and leasehold improvements, net	9,806	13,400
Computer software development costs, net	646	667
Goodwill	75,590	51,248
Intangible assets, net	35,310	20,789
Non-current deferred tax assets	11,090	14,352
Other non-current assets	1,297	1,300
Total assets	264,924	247,942
Current liabilities:
Accounts payable	4,230	5,467
Accrued expenses and other current liabilities	39,515	48,149
Income taxes payable	1,698	1,603
Borrowings under credit agreement	170,000	140,000
Current deferred revenue	286,845	272,024
Total current liabilities	502,288	467,243
Non-current deferred revenue	28,259	28,335
Other non-current liabilities	18,492	13,148
Commitments and contingencies (Note 15)
Series D redeemable convertible preferred stock, $0.10 par value—Authorized—3,636 shares as of June 30, 2018 and 2017 Issued and outstanding—none as of June 30, 2018 and 2017	0	0
Stockholders' deficit:
Common stock, $0.10 par value—Authorized—210,000,000 shares Issued—103,130,300 shares at June 30, 2018 and 102,567,129 shares at June 30, 2017 Outstanding—71,186,701 shares at June 30, 2018 and 73,421,153 shares at June 30, 2017	10,313	10,257
Additional paid-in capital	715,475	687,479
Retained earnings	305,208	156,520
Accumulated other comprehensive income	1,388	1,459
Treasury stock, at cost— 31,943,599 shares of common stock at June 30, 2018 and 29,145,976 shares at June 30, 2017	(1,316,499)	(1,116,499)
Total stockholders' deficit	(284,115)	(260,784)
Total liabilities and stockholders' deficit	$ 264,924	$ 247,942

CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Jun. 30, 2018	Jun. 30, 2017
Statement of Financial Position [Abstract]
Series D redeemable convertible preferred stock, par value (in dollars per share)	$ 0.10	$ 0.10
Series D redeemable convertible preferred stock, authorized	3,636	3,636
Series D redeemable convertible preferred stock, issued	0	0
Series D redeemable convertible preferred stock, outstanding	0	0
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, authorized	210,000,000	210,000,000
Common stock, issued	103,130,300	102,567,129
Common stock, outstanding	71,186,701	73,421,153
Treasury stock, shares	31,943,599	29,145,976

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' (DEFICIT) EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings (Deficit)	Accumulated Other Comprehensive Income	Treasury Stock
Balance at Jun. 30, 2015	$ (48,546)	$ 10,161	$ 641,883	$ (145,627)	$ 6,470	$ (561,433)
Balance (in shares) at Jun. 30, 2015		101,607,520				17,103,318
Comprehensive income (loss):
Net income	139,951			139,951
Other comprehensive loss	(3,819)				(3,819)
Exercise of stock options	3,920	$ 20	3,900
Exercise of stock options (in shares)		201,706
Issuance of restricted stock units and net share settlement related to withholding taxes	(4,409)	$ 22	(4,431)
Issuance of restricted stock units and net share settlement related to withholding taxes (in shares)		222,734
Repurchase of common stock	$ (180,066)					$ (180,066)
Repurchase of common stock (in shares)	4,750,692					4,750,692
Stock-based compensation	$ 15,727		15,727
Excess tax benefits from stock-based compensation	2,208		2,208
Balance at Jun. 30, 2016	(75,034)	$ 10,203	659,287	(5,676)	2,651	$ (741,499)
Balance (in shares) at Jun. 30, 2016		102,031,960				21,854,010
Comprehensive income (loss):
Net income	162,196			162,196
Other comprehensive loss	(1,192)				(1,192)
Exercise of stock options	9,273	$ 34	9,239
Exercise of stock options (in shares)		332,937
Issuance of restricted stock units and net share settlement related to withholding taxes	(5,792)	$ 20	(5,812)
Issuance of restricted stock units and net share settlement related to withholding taxes (in shares)		202,232
Repurchase of common stock	$ (375,000)					$ (375,000)
Repurchase of common stock (in shares)	5,185,257					7,291,966
Stock-based compensation	$ 18,800		18,800
Excess tax benefits from stock-based compensation	5,965		5,965
Balance at Jun. 30, 2017	$ (260,784)	$ 10,257	687,479	156,520	1,459	$ (1,116,499)
Balance (in shares) at Jun. 30, 2017	102,567,129	102,567,129				29,145,976
Comprehensive income (loss):
Net income	$ 148,688			148,688
Other comprehensive loss	(71)				(71)
Exercise of stock options	13,431	$ 36	13,395
Exercise of stock options (in shares)		362,515
Issuance of restricted stock units and net share settlement related to withholding taxes	(8,067)	$ 20	(8,087)
Issuance of restricted stock units and net share settlement related to withholding taxes (in shares)		200,656
Repurchase of common stock	$ (200,000)					$ (200,000)
Repurchase of common stock (in shares)	2,797,623					2,797,623
Stock-based compensation	$ 22,688		22,688
Balance at Jun. 30, 2018	$ (284,115)	$ 10,313	$ 715,475	$ 305,208	$ 1,388	$ (1,316,499)
Balance (in shares) at Jun. 30, 2018	103,130,300	103,130,300				31,943,599

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Operating activities:
Net income	$ 148,688	$ 162,196	$ 139,951
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	6,544	6,405	6,061
Net foreign currency losses (gains)	980	(1,036)	(3,666)
Stock-based compensation expense	22,688	18,800	15,727
Deferred income taxes	3,193	(4,286)	2,499
Provision for bad debts	1,418	199	260
Tax benefits from stock-based compensation	0	5,965	2,208
Excess tax benefits from stock-based compensation	0	(5,965)	(2,208)
Other non-cash operating activities	421	602	321
Changes in assets and liabilities, excluding initial effects of acquisitions:
Accounts receivable	4,327	(7,480)	9,382
Prepaid expenses, prepaid income taxes, and other assets	3,821	(2,421)	(6,106)
Accounts payable, accrued expenses, income taxes payable and other liabilities	1,156	(9,070)	(4,489)
Deferred revenue	13,700	18,477	(6,196)
Net cash provided by operating activities	206,936	182,386	153,744
Investing activities:
Purchases of marketable securities	0	(683,748)	0
Maturities of marketable securities	0	686,346	58,973
Purchase of property, equipment and leasehold improvements	(331)	(2,720)	(3,483)
Payments for business acquisitions, net of cash acquired	(33,700)	(36,171)	(8,000)
Payments for capitalized computer software costs	(329)	(405)	(269)
Net cash (used in) provided by investing activities	(34,360)	(36,698)	47,221
Financing activities:
Exercise of stock options	13,466	9,273	3,924
Repurchases of common stock	(205,049)	(371,491)	(178,604)
Payment of tax withholding obligations related to restricted stock	(7,896)	(5,764)	(4,480)
Deferred business acquisition payments	(8,649)	0	0
Excess tax benefits from stock-based compensation	0	5,965	2,208
Proceeds from credit agreement	30,000	0	140,000
Payments of credit agreement issuance costs	(351)	0	(1,707)
Net cash used in financing activities	(178,479)	(362,017)	(38,659)
Effect of exchange rate changes on cash and cash equivalents	114	(53)	(219)
(Decrease) increase in cash and cash equivalents	(5,789)	(216,382)	162,087
Cash and cash equivalents, beginning of year	101,954	318,336	156,249
Cash and cash equivalents, end of year	96,165	101,954	318,336
Supplemental disclosure of cash flow information:
Income tax paid, net	50,557	65,536	69,028
Interest paid	5,038	3,444	963
Supplemental disclosure of non-cash investing and financing activities:
Change in purchases of property, equipment and leasehold improvements included in accounts payable and accrued expenses	(61)	(47)	(825)
Change in common stock repurchases included in accounts payable and accrued expenses	$ (5,049)	$ 3,509	$ 1,462

Operations	12 Months Ended
Operations	Jun. 30, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Operations	Operations Aspen Technology, Inc., together with its subsidiaries, is a leading global supplier of asset optimization solutions that optimize asset design, operations and maintenance lifecycle in complex, industrial environments. Our aspenONE software and related services have been developed specifically for companies in the process and other capital-intensive industries such as energy, chemicals, engineering and construction, as well as pharmaceuticals, transportation, power, metals and mining, pulp and paper, and consumer packaged goods. Customers use our solutions to improve their competitiveness and profitability by increasing throughput, energy efficiency, and production, reducing unplanned downtime, enhancing capital efficiency, and decreasing working capital requirements over the entire asset lifecycle to support operational excellence. We operate globally in 32 countries as of June 30, 2018.

Significant Accounting Policies	12 Months Ended
Significant Accounting Policies	Jun. 30, 2018
Accounting Policies [Abstract]
Significant Accounting Policies	Significant Accounting Policies (a) Principles of Consolidation The accompanying consolidated financial statements include the accounts of Aspen Technology, Inc. and our wholly owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation. Reclassifications Certain line items in prior period financial statements have been reclassified to conform to currently reported presentations. (b) Management Estimates The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions. These estimates and assumptions affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenue and expenses during the reporting period. Actual results could differ from those estimates. (c) Cash and Cash Equivalents Cash and cash equivalents consist of short-term, highly liquid investments with remaining maturities of three months or less when purchased. (d) Revenue Recognition We generate revenue from the following sources: (1) Subscription and software revenue; and (2) Services and other revenue. We sell our software products to end users primarily under fixed-term licenses. We license our software products primarily through a subscription offering which we refer to as our aspenONE licensing model, which includes software maintenance and support, known as our Premier Plus SMS offering, for the entire term. Our aspenONE products are organized into three suites: 1) engineering; 2) manufacturing and supply chain; and 3) asset performance management. The aspenONE licensing model provides customers with access to all of the products within the aspenONE suite(s) they license. We refer to these arrangements as token arrangements. Tokens are fixed units of measure. The amount of software usage is limited by the number of tokens purchased by the customer. We also license our software through point product term arrangements, which include our Premier Plus SMS offering for the entire term, as well as perpetual license arrangements. Four basic criteria must be satisfied before software license revenue can be recognized: persuasive evidence of an arrangement between us and an end user; delivery of our product has occurred; the fee for the product is fixed or determinable; and collection of the fee is probable. Persuasive evidence of an arrangement—We use a signed contract as evidence of an arrangement for software licenses and SMS. For professional services we use a signed contract and a work proposal to evidence an arrangement. In cases where both a signed contract and a purchase order are required by the customer, we consider both taken together as evidence of the arrangement. Delivery of our product—Software and the corresponding access keys are generally delivered to customers via electronic delivery or via physical medium with standard shipping terms of Free Carrier, our warehouse (i.e., FCA, AspenTech). Our software license agreements do not contain conditions for acceptance. Fee is fixed or determinable—We assess whether a fee is fixed or determinable at the outset of the arrangement. Significant judgment is involved in making this assessment. As a standard business practice, we offer fixed-term license arrangements, which are generally payable on an annual basis. We cannot assert that the fees under our aspenONE licensing model and point product arrangements with Premier Plus SMS are fixed or determinable because of the rights provided to customers, economics of the arrangements, and because we do not have an established history of our arrangements going to term end date without providing concessions to customers. As a result, the amount of revenue recognized for these arrangements is limited by the amount of customer payments that become due. Collection of fee is probable—We assess the probability of collecting from each customer at the outset of the arrangement based on a number of factors, including the customer's payment history, its current creditworthiness, economic conditions in the customer's industry and geographic location, and general economic conditions. If in our judgment collection of a fee is not probable, revenue is recognized as cash is collected, provided all other conditions for revenue recognition have been met. Vendor-Specific Objective Evidence of Fair Value (VSOE) We have established VSOE for professional services and certain training offerings, but not for our software products or our SMS offerings. We assess VSOE for SMS, professional services, and training, based on an analysis of standalone sales of the offerings using the bell-shaped curve approach. We do not have a history of selling our Premier Plus SMS offering to customers on a standalone basis, and as a result are unable to establish VSOE for this deliverable. Subscription and Software Revenue Subscription and software revenue consists primarily of product and related revenue from our (i) aspenONE licensing model; (ii) point product arrangements with our Premier Plus SMS offering included for the contract term; and (iii) perpetual arrangements. When a customer elects to license our products under our aspenONE licensing model, our Premier Plus SMS offering is included for the entire term of the arrangement and the customer receives, for the term of the arrangement, the right to any new unspecified future software products and updates that may be introduced into the licensed aspenONE software suite. Due to our obligation to provide unspecified future software products and updates and because we do not have VSOE for our Premier Plus SMS offering, we are required to recognize revenue ratably over the term of the arrangement, once the other revenue recognition criteria noted above have been met. Our point product arrangements with Premier Plus SMS include SMS for the term of the arrangement. Since we do not have VSOE for our Premier Plus SMS offering, the SMS element of our point product arrangements is not separable. As a result, revenue associated with point product arrangements with Premier Plus SMS included for the contract term is recognized ratably over the term of the arrangement, once the other revenue recognition criteria have been met. Services and Other Revenue Professional Services Revenue Professional services are provided to customers on a time-and-materials (T&M) or fixed-price basis. We recognize professional services fees for our T&M contracts based upon hours worked and contractually agreed-upon hourly rates. Revenue from fixed-price engagements is recognized using the proportional performance method based on the ratio of costs incurred to the total estimated project costs. Project costs are typically expensed as incurred. The use of the proportional performance method is dependent upon our ability to reliably estimate the costs to complete a project. We use historical experience as a basis for future estimates to complete current projects. Additionally, we believe that costs are the best available measure of performance. Out-of-pocket expenses which are reimbursed by customers are recorded as revenue. In certain circumstances, professional services revenue may be recognized over a longer time period than the period over which the services are performed. If the costs to complete a project are not estimable or the completion is uncertain, the revenue and related costs are recognized upon completion of the services. In circumstances in which professional services are sold as a single arrangement with, or in contemplation of, a new aspenONE license or point product arrangement with Premier Plus SMS, revenue is deferred and recognized on a ratable basis over the longer of (i) the period the services are performed, or (ii) the license term. When we provide professional services considered essential to the functionality of the software, we recognize the combined revenue from the sale of the software and related services using the completed contract or percentage-of-completion method. We have occasionally been required to commit unanticipated additional resources to complete projects, which resulted in losses on those contracts. Provisions for estimated losses on contracts are made during the period in which such losses become probable and can be reasonably estimated. Training Revenue We provide training services to our customers, including on-site, Internet-based, public and customized training. Revenue is recognized in the period in which the services are performed. In circumstances in which training services are sold as a single arrangement with, or in contemplation of, a new aspenONE license or point product arrangement with Premier Plus SMS, revenue is deferred and recognized on a ratable basis over the longer of (i) the period the services are performed or (ii) the license term. Deferred Revenue Deferred revenue includes amounts billed or collected in advance of revenue recognition, including arrangements under the aspenONE licensing model, point product arrangements with Premier Plus SMS, professional services, and training. Deferred revenue is recorded as each invoice becomes due. Other Licensing Matters Our standard licensing agreements include a product warranty provision. We have not experienced significant claims related to software warranties beyond the scope of SMS support, which we are already obligated to provide, and consequently, we have not established reserves for warranty obligations. Our agreements with our customers generally require us to indemnify the customer against claims that our software infringes third-party patent, copyright, trademark or other proprietary rights. Such indemnification obligations are generally limited in a variety of industry-standard respects, including our right to replace an infringing product. As of June 30, 2018 and 2017, we had not experienced any material losses related to these indemnification obligations and no claims with respect thereto were outstanding. We do not expect significant claims related to these indemnification obligations, and consequently, have not established any related reserves. (e) Computer Software Development Costs Certain computer software development costs are capitalized in the accompanying consolidated balance sheets. Capitalization of computer software development costs begins upon establishing technological feasibility defined as meeting specifications determined by the program design. Amortization of capitalized computer software development costs is provided on a product-by-product basis using the greater of (a) the amount computed using the ratio that current gross revenue for a product bears to total of current and anticipated future gross revenue for that product or (b) the straight-line method, beginning upon commercial release of the product, and continuing over the remaining estimated economic life of the product, not to exceed three years. Total computer software costs capitalized were $0.4 million, $0.4 million and $0.3 million during the years ended June 30, 2018, 2017 and 2016, respectively. Total amortization expense charged to operations was approximately $0.4 million, $0.5 million and $0.6 million for the years ended June 30, 2018, 2017 and 2016, respectively. Computer software development accumulated amortization totaled $74.7 million and $74.3 million as of June 30, 2018 and 2017, respectively. Weighted average remaining useful life of computer software development costs was 1.0 years and 0.6 years at June 30, 2018 and 2017, respectively. At each balance sheet date, we evaluate the unamortized capitalized software costs for potential impairment by comparing the balance to the net realizable value of the products. During the years ending June 30, 2018, 2017 and 2016, our computer software development costs were not considered impaired and as such, we did not recognize impairment losses during the periods then ended. (f) Foreign Currency Translation The determination of the functional currency of subsidiaries is based on the subsidiaries' financial and operational environment and is the local currency of the subsidiary. Gains and losses from foreign currency translation related to entities whose functional currency is their local currency are credited or charged to accumulated other comprehensive income included in stockholders' deficit in the consolidated balance sheets. In all instances, foreign currency transaction and remeasurement gains or losses are credited or charged to the consolidated statements of operations as incurred as a component of other income (expense), net. Net foreign currency transaction and remeasurement losses were $(0.8) million in fiscal 2018, gains were $0.6 million in fiscal 2017, and losses were $(0.1) million in fiscal 2016. (g) Concentration of Credit Risk Financial instruments that potentially subject us to concentrations of credit risk are principally cash and cash equivalents, marketable securities, accounts receivable and installments receivable. Our cash is held in financial institutions and our cash equivalents are invested in money market mutual funds that we believe to be of high credit quality. We diversify our investment portfolio by investing in multiple types of investment-grade securities and attempt to mitigate a risk of loss by using a third-party investment manager. Concentration of credit risk with respect to receivables is limited to certain customers to which we make substantial sales. To reduce risk, we assess the financial strength of our customers. We do not require collateral or other security in support of our receivables. As of June 30, 2018, we had one customer receivable balance that represented approximately 12% of our total receivables. As of June 30, 2017, we had one customer receivable balance that represented approximately 18% of our total receivables, and was collected subsequent to June 30, 2017. (h) Computer Software Developed for Internal Use and Long-Lived Assets Computer Software Developed for Internal Use: Computer software developed for internal use is capitalized in accordance with ASC Topic 350-40, Intangibles Goodwill and Other—Internal Use Software. We capitalize direct labor costs incurred to develop internal-use software during the application development stage after determining software technological requirements and obtaining management approval for funding projects probable of completion. In fiscal 2018, 2017 and 2016, there were no capitalized direct labor costs associated with our development of software for internal use. Impairment of Long-Lived Assets: We evaluate our long-lived assets, which include finite-lived intangible assets, property and leasehold improvements for impairment as events and circumstances indicate that the carrying amount of an asset or a group of assets may not be recoverable. We assess the recoverability of the asset or a group of assets based on the undiscounted future cash flows the asset is expected to generate, and recognize an impairment loss when estimated undiscounted future cash flows expected to result from the use of the asset are less than its carrying value. If an asset or a group of assets are deemed to be impaired, the amount of the impairment loss, if any, represents the excess of the asset's or a group of assets' carrying value compared to their estimated fair values. (i) Comprehensive Income Comprehensive income is defined as the change in equity of a business enterprise during a period from transactions and other events and circumstances from non-owner sources. Comprehensive income and its components for fiscal 2018, 2017 and 2016 are disclosed in the accompanying consolidated statements of comprehensive income. As of June 30, 2018, accumulated other comprehensive income is comprised of foreign translation adjustments of $1.4 million. As of June 30, 2017 and 2016, accumulated other comprehensive income is comprised of foreign translation adjustments of $1.5 million $2.7 million, respectively, and net unrealized gains (losses) on available for sale securities of $0.1 million and ($0.1) million, respectively. (j) Accounting for Stock-Based Compensation Stock-based compensation cost is measured at the grant date based on the fair value of the award and is recognized as expense over the vesting period. (k) Income Taxes Deferred income taxes are recognized based on temporary differences between the financial statement and tax bases of assets and liabilities. Deferred tax assets and liabilities are measured using the statutory tax rates and laws expected to apply to taxable income in the years in which the temporary differences are expected to reverse. Valuation allowances are provided against net deferred tax assets if, based upon the available evidence, it is more likely than not that some or all of the deferred tax assets will not be realized. The ultimate realization of deferred tax assets is dependent upon the generation of future taxable income and the timing of the temporary differences becoming deductible. Management considers, among other available information, scheduled reversals of deferred tax liabilities, projected future taxable income, limitations of availability of net operating loss carryforwards, and other matters in making this assessment. We do not provide deferred taxes on unremitted earnings of foreign subsidiaries since we intend to indefinitely reinvest either currently or sometime in the foreseeable future. Unrecognized provisions for taxes on undistributed earnings of foreign subsidiaries, which are considered indefinitely reinvested, are not material to our consolidated financial position or results of operations. We are continuously subject to examination by the IRS, as well as various state and foreign jurisdictions. The IRS and other taxing authorities may challenge certain deductions and credits reported by us on our income tax returns. In accordance with provisions of ASC Topic 740, Income Taxes (ASC 740), an entity should recognize a tax benefit when it is more-likely-than-not, based on the technical merits, that the position would be sustained upon examination by a taxing authority. The amount to be recognized, if the more-likely-than-not threshold was passed, should be measured as the largest amount of tax benefit that is greater than 50 percent likely of being realized upon ultimate settlement with a taxing authority that has full knowledge of all relevant information. Furthermore, any change in the recognition, de-recognition or measurement of a tax position should be recorded in the period in which the change occurs. We account for interest and penalties related to uncertain tax positions as part of the provision for income taxes. (l) Loss Contingencies We accrue estimated liabilities for loss contingencies arising from claims, assessments, litigation and other sources when it is probable that a liability has been incurred and the amount of the claim assessment or damages can be reasonably estimated. We believe that we have sufficient accruals to cover any obligations resulting from claims, assessments or litigation that have met these criteria. Refer to Note 15, "Commitments and Contingencies," to our Consolidated Financial Statements for discussion of these matters and related liability accruals. (m) Advertising Costs Advertising costs are expensed as incurred and are classified as sales and marketing expenses. We incurred advertising expenses of $3.2 million, $3.2 million and $2.3 million during fiscal 2018, 2017 and 2016, respectively. (n) Research and Development Expense We charge research and development expenditures to expense as the costs are incurred. Research and development expenses consist primarily of personnel expenses related to the creation of new products, enhancements and engineering changes to existing products and costs of acquired technology prior to establishing technological feasibility. During fiscal 2017 and 2016, we acquired certain technologies for $2.3 million and $0.3 million, respectively. At the time we acquired the technology, the project to develop a commercially available product did not meet the definition of having reached technological feasibility and as such, the entire cost of the acquired technology was expensed as research and development expense. (o) Recent Accounting Pronouncements In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers (Topic 606). ASU No. 2014-09 supersedes the revenue recognition requirements in Revenue Recognition (Topic 605), and requires entities to recognize revenue when they transfer promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. Under the new guidance, an entity is required to evaluate revenue recognition through a five-step process. In applying the principles of ASU 2014-09, it is possible more judgment and estimates may be required within the revenue recognition process than is required under existing U.S. GAAP, including identifying performance obligations in the contract, estimating the amount of variable consideration to include in the transaction price, and allocating the transaction price to each separate performance obligation. As currently issued and amended, ASU 2014-09 is effective for annual reporting periods beginning after December 15, 2017, including interim periods within that reporting period, though early adoption is permitted for annual reporting periods beginning after December 15, 2016. We will adopt ASU No. 2014-09 during the first quarter of fiscal 2019 and plan to utilize the full retrospective method. The adoption of ASU No. 2014-09 will primarily impact the timing of the license portion of the revenue recognized from our term contracts. Under the new standard, for arrangements that include term-based software licenses bundled with maintenance and support, we will be required to recognize as revenue a portion of the arrangement fee upon delivery of the software license. We expect to recognize as revenue a portion of the arrangement fee related to maintenance and support, professional services, and training over time as the services are provided. Additionally, under the new standard, we expect to capitalize certain direct and incremental commission costs to obtain a contract and amortize such costs over the expected period of benefit, rather than expensing them as incurred in the period that the commissions are earned. The quantitative ranges provided below represent management’s best estimates of the effects of adopting ASU No. 2014-09 at the time of preparation of this Annual Report on Form 10-K. The actual impact of adopting ASU No. 2014-09 is subject to change from these estimates, and such changes may be significant, pending the completion of our assessment in the first quarter of fiscal 2019. In order to complete this assessment, we are continuing to update and enhance our internal accounting systems and internal controls over financial reporting. Based upon the work performed to date, we expect to record a cumulative-effect adjustment as of June 30, 2016 to increase retained earnings by approximately $781.0 million to $1,072.0 million, which includes an estimated $670.0 million to $920.0 million increase in retained earnings due to changes in revenue recognition, an estimated $16.0 million to $22.0 million increase in retained earnings due to deferred commission expense, and an estimated $95.0 million to $130.0 million increase in retained earnings due to interest income. We expect the cumulative-effect adjustment to result in a corresponding increase to unbilled contract assets and receivables of approximately $660.0 million to $900.0 million, an increase to deferred commission costs of approximately $16.0 million to $22.0 million, and a decrease to deferred revenue and interest of approximately $150.0 million to $220.0 million. We estimate the revised total revenue for fiscal 2017 and fiscal 2018 to be in the range of $420.0 million to $600.0 million and $440.0 million to $630.0 million, respectively. We estimate interest income related to the changes in revenue recognition for fiscal 2017 and fiscal 2018 to be in the range of $19.0 million to $26.0 million and $21.0 million to $29.0 million, respectively. We expect to fully disclose the impacts of the new standard in connection with our Form 10-Q filing for the first quarter of fiscal 2019. In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842). Under the amendment, lessees will be required to recognize virtually all of their leases on the balance sheet, by recording a right-of-use asset and lease liability. The ASU is effective for annual periods, including interim periods within those annual periods, beginning after December 15, 2018. Early adoption is permitted. We are currently evaluating the impact of ASU No. 2016-02 on our consolidated financial statements. In March 2016, the FASB issued ASU No. 2016-09, Compensation - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting. The amendment identifies several areas for simplification applicable to entities that issue share-based payment awards to their employees, including income tax consequences, the option to recognize gross stock compensation expense with actual forfeitures recognized when they occur, and certain classifications on the statements of cash flows. The ASU is effective for annual periods, including interim periods within those annual periods, beginning after December 15, 2016. We adopted ASU No. 2016-09 effective July 1, 2017. As a result of adopting the new standard, excess tax benefits from stock-based compensation are now reflected in the consolidated statements of operations as a component of the provision for income taxes, whereas they were previously a component of stockholders’ deficit. The adoption of ASU No. 2016-09 resulted in a decrease in our provision for income taxes of $3.0 million during fiscal 2018. This represents a decrease in our effective tax rate of approximately one percentage point during fiscal 2018, due to the recognition of excess tax benefits for options exercised and the vesting of equity awards. There was no change as a result of how we account for forfeitures for financial statement reporting purposes. We adopted the cash flow presentation prospectively, and accordingly, excess tax benefits from stock-based compensation of $3.0 million is presented as a cash inflow from operating activity included within the change in income tax payable during fiscal 2018, while $6.0 million and $2.2 million of excess tax benefits from equity-based compensation are presented as a financing activity during fiscal 2017 and 2016, respectively. We prospectively excluded the excess tax benefits from the assumed proceeds available to repurchase shares in the computation of diluted earnings per share under the treasury stock method, which did not have a material impact on our diluted earnings per share during fiscal 2018. In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments - Credit Losses (Topic 326). The amendment changes the impairment model for most financial assets and certain other instruments. Entities will be required to use a model that will result in the earlier recognition of allowances for losses for trade and other receivables, held-to-maturity debt securities, loans, and other instruments. For available-for-sale debt securities with unrealized losses, the losses will be recognized as allowances rather than as reductions in the amortized cost of the securities. The ASU is effective for annual periods, including interim periods within those annual periods, beginning after December 15, 2019. Early adoption is permitted. We are currently evaluating the impact of ASU No. 2016-13 on our consolidated financial statements. In August 2016, the FASB issued ASU No. 2016-15, Statement of Cash Flows (Topic 230). The amendment updates the guidance as to how certain cash receipts and cash payments should be presented and classified, and is intended to reduce the existing diversity in practice. The ASU is effective for annual periods, including interim periods within those annual periods, beginning after December 15, 2017. Early adoption is permitted. We are currently evaluating the impact of ASU No. 2016-15 on our consolidated financial statements. In January 2017, the FASB issued ASU No. 2017-01, Business Combinations (Topic 805) - Clarifying the Definition of a Business. The amendment changes the definition of a business to assist entities in evaluating when a set of transferred assets and activities constitutes a business. The ASU is effective for annual periods, including interim periods within those annual periods, beginning after December 15, 2017. Early adoption is permitted. We do not anticipate the adoption of ASU No. 2017-01 will have a material effect on the consolidated financial statements or related disclosures. In January 2017, the FASB issued ASU No. 2017-04, Intangibles - Goodwill and Other Topics (Topic 350) - Simplifying the Test for Goodwill Impairment. The amendment eliminates Step 2 of the goodwill impairment test and requires goodwill impairment to be measured as the amount by which a reporting unit’s carrying amount exceeds its fair value, not to exceed the carrying amount of its goodwill. The ASU is effective for annual periods, including interim periods within those annual periods, beginning after December 15, 2017. Early adoption is permitted. We early adopted ASU No. 2017-04 during the three months ended December 31, 2017, prior to our annual testing of goodwill impairment. There was no impact on our consolidated financial statements and related disclosures as a result of adopting ASU No. 2017-04. In March 2018, the FASB issued ASU No. 2018-05, Income Taxes (Topic 740) - Amendments to SEC Paragraphs Pursuant to SEC Staff Accounting Bulletin No. 118. The amendment provides guidance on accounting for the impact of the Tax Cuts and Jobs Act (the “Tax Act”) and allows entities to complete the accounting under ASC 740 within a one-year measurement period from the Tax Act enactment date. This standard is effective upon issuance. The Tax Act has several significant changes that impact all taxpayers, including a transition tax, which is a one-time tax charge on accumulated, undistributed foreign earnings. The calculation of accumulated foreign earnings requires an analysis of each foreign entity’s financial results going back to 1986. We are currently estimating that we will not be subject to the transition tax associated with our accumulated, undistributed foreign earnings. We will continue to evaluate this area and expect to finalize our conclusions by the second quarter of fiscal 2019.

Fair Value (Notes)	12 Months Ended
Fair Value (Notes)	Jun. 30, 2018
Fair Value [Abstract]
Fair Value Disclosures [Text Block]	Fair Value We determine fair value by utilizing a fair value hierarchy that ranks the quality and reliability of the information used in its determination. Fair values determined using “Level 1 inputs” utilize unadjusted quoted prices in active markets for identical assets or liabilities that we have the ability to access. Fair values determined using “Level 2 inputs” utilize data points that are observable, such as quoted prices, interest rates and yield curves for similar assets and liabilities. Cash equivalents of $5.0 million and $79.7 million as of June 30, 2018 and June 30, 2017, respectively, were reported at fair value utilizing quoted market prices in identical markets, or “Level 1 inputs.” Our cash equivalents consist of short-term, highly liquid investments with remaining maturities of three months or less when purchased. Financial instruments not measured or recorded at fair value in the accompanying unaudited consolidated financial statements consist of accounts receivable, installments receivable, accounts payable and accrued liabilities. The estimated fair value of these financial instruments approximates their carrying value. The estimated fair value of the borrowings under the Credit Agreement (described below in Note 10, Credit Agreement) approximates its carrying value due to the floating interest rate.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

Accounts Receivable (Notes)

12 Months Ended

Jun. 30, 2018

Fair Value [Abstract]

Financing Receivables [Text Block]

Accounts Receivable

Our accounts receivable, net of the related allowance for doubtful accounts, were as follows as of June 30, 2018 and 2017:



	Gross		Allowance		Net
	(Dollars in Thousands)
June 30, 2018:
Accounts Receivable	$	24,613	$	2,703	$	21,910

June 30, 2017:
Accounts Receivable	$	28,955	$	1,285	$	27,670

As of June 30, 2018, we had one customer receivable balance that individually represented approximately 12% of our total receivables.

Property and Equipment

12 Months Ended

Jun. 30, 2018

Property, Plant and Equipment [Abstract]

Property and Equipment

Property, equipment and leasehold improvements in the accompanying consolidated balance sheets consist of the following:



	Year Ended June 30,
	2018			2017
	(Dollars in Thousands)
Property, equipment and leasehold improvements, at cost:
Computer equipment	$	8,344		$	8,262
Purchased software	24,225			24,091
Furniture & fixtures	6,850			6,805
Leasehold improvements	12,023			12,025
Property, equipment and leasehold improvements, at cost	51,442			51,183
Accumulated depreciation	(41,636		)	(37,783		)
Property, equipment and leasehold improvements, net	$	9,806		$	13,400

Property and equipment are stated at cost. We provide for depreciation and amortization, primarily computed using the straight-line method, by charges to operations in amounts estimated to allocate the cost of the assets over their estimated useful lives, as follows:



Asset Classification	Estimated Useful Life
Computer equipment	3 years
Purchased software	3 - 5 years
Furniture and fixtures	3 - 10 years
Leasehold improvements	Life of lease or asset, whichever is shorter

During fiscal 2018, we wrote off fully depreciated property, equipment and leasehold improvements that were no longer in use with gross book values of $0.1 million.

Depreciation expense was $3.9 million, $5.0 million and $5.1 million for fiscal 2018, 2017 and 2016, respectively.

We account for asset retirement obligations in accordance with ASC Topic 410, Asset Retirement and Environmental Obligations. Our asset retirement obligations relate to leasehold improvements for leased properties. The balance of our asset retirement obligations was $0.9 million as of June 30, 2018 and 2017, respectively.

Acquisitions

12 Months Ended

Jun. 30, 2018

Business Combinations [Abstract]

Acquisitions

Technology

In March 2018, we acquired certain assets, principally technology, for a total cash consideration of $5.0 million. The purchase price consisted of $4.5 million of cash paid at closing and an additional $0.5 million to be held back until March 2019 as security for certain representations, warranties, and obligations of the seller. The acquisition met the definition of a business combination as it contained inputs and processes that are capable of being operated as a business. We allocated, on a preliminary basis, $1.0 million of the purchase price to developed technology and $4.0 million to goodwill. The fair value of the developed technology of $1.0 million was determined using the replacement cost approach. The developed technology is being amortized on a straight-line basis over its estimated useful life of three years. The acquisition is treated as an asset purchase for tax purposes and, accordingly, the goodwill resulting from the acquisition is expected to be deductible.

Apex Optimisation

On February 5, 2018, we completed the acquisition of all the outstanding shares of Apex Optimisation and affiliates (“Apex”), a provider of software which aligns Advanced Process Control with Planning and Scheduling to unify production optimization, for a total cash consideration of $23.0 million. The purchase price consisted of $18.4 million of cash paid at closing and an additional $4.6 million to be held back until February 2020 as security for certain representations, warranties, and obligations of the sellers. The holdback is recorded in other non-current liabilities in our consolidated balance sheet.

A preliminary allocation of the purchase price is as follows. The valuation of the net assets acquired and the deferred tax liabilities are considered preliminary as of June 30, 2018:



	Amount
	(Dollars in Thousands)
Liabilities assumed, net	$	(1,164	)
Identifiable intangible assets:
Technology-related	4,500
Customer relationships	3,800
Goodwill	17,483
Deferred tax liabilities	(1,619		)
Total assets acquired, net	$	23,000

We used the relief from royalty and income approaches to derive the fair value of the technology-related and customer relationship intangible assets, respectively. The weighted-average discount rate (or rate of return) used to determine the value of the Apex intangible assets was 28% and the effective tax rate used was 21%. The technology-related and customer relationship intangible assets will each be amortized on a straight-line basis over their estimated useful lives of seven years.

The goodwill, which is not deductible for tax purposes, reflects the value of the assembled workforce and the company-specific synergies we expect to realize by selling Apex products and services to our existing customers. The results of operations of Apex have been included prospectively in our results of operations since the date of acquisition.

RtTech Software, Inc.

In December 2017, we acquired certain net assets, principally technology, from RtTech Software, Inc. (“RtTech”) for a total cash consideration of $12.0 million. The purchase price consisted of $10.8 million of cash paid at closing and an additional $1.2 million to be held back until December 2018 as security for certain representations, warranties, and obligations of the sellers. The acquisition met the definition of a business combination as it contained inputs and processes that are capable of being operated as a business. We allocated $8.0 million of the purchase price to developed technology and $4.0 million to goodwill. The fair value of the developed technology of $8.0 million was determined using the replacement cost approach. The developed technology is being amortized on a straight-line basis over its estimated useful life of seven years. The acquisition is treated as an asset purchase for tax purposes and accordingly, the goodwill resulting from the acquisition is expected to be deductible.

Mtelligence Corporation

On October 26, 2016, we completed the acquisition of all the outstanding shares of Mtelligence Corporation (“Mtell”), a provider of predictive and prescriptive maintenance software and related services used to optimize asset performance, for total cash consideration of $37.4 million. The purchase price consisted of $31.9 million of cash paid at closing and an additional $5.5 million held back as security for certain representations, warranties, and obligations of the sellers. The holdback was recorded at its fair value as of the acquisition date of $5.3 million, and was paid in April 2018.

An allocation of the purchase price is as follows:



	Amount
	(Dollars in Thousands)
Tangible assets acquired, net	$	779
Identifiable intangible assets:
Developed technology	11,385
Customer relationships	679
Non-compete agreements	553
Goodwill	25,888
Deferred tax liabilities, net	(2,099		)
Total assets acquired	$	37,185

We used the income approach to determine the values of the identifiable intangible assets. The weighted-average discount rate (or rate of return) used to determine the value of the Mtell intangible assets was 19% and the effective tax rate used was 34%. The values of the developed technology, customer relationships and non-compete agreements are being amortized on a straight-line basis, except technology, which is being amortized on a proportional use basis, over their estimated useful lives of 12 years, 6 years and 3 years, respectively.

The goodwill, which is not deductible for tax purposes, reflects the value of the assembled workforce and the company-specific synergies we expect to realize by selling Mtell products and services to our existing customers. The results of operations of Mtell have been included prospectively in our results of operations since the date of acquisition.

Intangible Assets

12 Months Ended

Jun. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

We include in our amortizable intangible assets those intangible assets acquired in our business and asset acquisitions. We amortize acquired intangible assets with finite lives over their estimated economic lives, generally using the straight-line method. Each period, we evaluate the estimated remaining useful lives of acquired intangible assets to determine whether events or changes in circumstances warrant a revision to the remaining period of amortization. Acquired intangibles are removed from the accounts when fully amortized and no longer in use.

Intangible assets consist of the following as of June 30, 2018 and 2017:



	Gross Carrying Amount		Accumulated Amortization			Effect of Currency Translation			Net Carrying Amount
	(Dollars in Thousands)
June 30, 2018:
Technology and patents	$	35,898	$	(5,182	)	$	(254	)	$	30,462
Customer relationships	5,181		(377		)	(202		)	4,602
Non-compete agreements	553		(307		)	—			246
Total	$	41,632	$	(5,866	)	$	(456	)	$	35,310
June 30, 2017:
Technology and patents	$	22,350	$	(3,254	)	$	—		$	19,096
Customer relationships	1,432		(169		)	—			1,263
Non-compete agreements	553		(123		)	—			430
Total	$	24,335	$	(3,546	)	$	—		$	20,789

Total amortization expense related to intangible assets amounted to $2.2 million, $1.0 million and $0.1 million in fiscal 2018, 2017 and 2016, respectively. Amortization expense is expected to be approximately $4.6 million in fiscal 2019, $4.7 million in fiscal 2020, $4.8 million in fiscal 2021, $4.7 million in fiscal 2022, $4.6 million in fiscal 2023, and $11.9 million thereafter.

Goodwill

12 Months Ended

Jun. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

The changes in the carrying amount of goodwill for our subscription and software reporting unit during fiscal years ending June 30, 2018 and 2017 were as follows:



	Gross Carrying Amount		Accumulated Impairment Losses			Effect of Currency Translation			Net Carrying Amount
June 30, 2017:	$	116,833	$	(65,569	)	$	(16	)	$	51,248
Goodwill from acquisitions	25,483		—			—			25,483
Foreign currency translation	—		—			(1,141		)	(1,141		)
June 30, 2018:	$	142,316	$	(65,569	)	$	(1,157	)	$	75,590

	Gross Carrying Amount		Accumulated Impairment Losses			Effect of Currency Translation			Net Carrying Amount
June 30, 2016:	$	89,007	$	(65,569	)	$	—		$	23,438
Goodwill from acquisitions	27,826		—			—			27,826
Foreign currency translation	—		—			(16		)	(16		)
June 30, 2017:	$	116,833	$	(65,569	)	$	(16	)	$	51,248

We test goodwill for impairment annually (or more often if impairment indicators arise), at the reporting unit level. We first assess qualitative factors to determine whether the existence of events or circumstances indicates that it is more likely than not that the fair value of a reporting unit is less than its carrying amount. If we determine based on this assessment that it is more likely than not that the fair value of a reporting unit is less than its carrying amount, we perform the goodwill impairment test. The first step requires us to determine the fair value of the reporting unit and compare it to the carrying amount,

including goodwill, of such reporting unit. If the fair value exceeds the carrying amount, no impairment loss is recognized. However, if the carrying amount of the reporting unit exceeds its fair value, the goodwill of the unit is impaired. In January 2017, the FASB issued ASU No. 2017-04, which eliminates Step 2 of the goodwill impairment test and requires goodwill impairment to be measured as the amount by which a reporting unit’s carrying amount exceeds its fair value, not to exceed the carrying amount of its goodwill. We early adopted ASU No. 2017-04 during the three months ended December 31, 2017, prior to our annual testing of goodwill impairment. There was no impact on our consolidated financial statements and related disclosures as a result of adopting ASU No. 2017-04.

Fair value of a reporting unit is determined using a combined weighted average of a market-based approach (utilizing fair value multiples of comparable publicly traded companies) and an income-based approach (utilizing discounted projected cash flows). In applying the income-based approach, we would be required to make assumptions about the amount and timing of future expected cash flows, growth rates and appropriate discount rates. The amount and timing of future cash flows would be based on our most recent long-term financial projections. The discount rate we would utilize would be determined using

estimates of market participant risk-adjusted weighted-average costs of capital and reflect the risks associated with achieving future cash flows.

We have elected December 31st as the annual impairment assessment date and perform additional impairment tests if triggering events occur. We performed our annual impairment test for the subscription and software reporting unit as of December 31, 2017 and, based upon the results of our qualitative assessment, determined that it was not likely that its fair value was less than its carrying amount. As such, we did not recognize impairment losses as a result of our analysis. If an event occurs or circumstances change that would more likely than not reduce the fair value of a reporting unit below its carrying value, goodwill will be evaluated for impairment between annual tests. No triggering events indicating goodwill impairment occurred during fiscal 2018, 2017 and 2016.

Accrued Expenses and Other Liabilities

12 Months Ended

Jun. 30, 2018

Balance Sheet Related Disclosures [Abstract]

Accrued Expenses and Other Liabilities

Accrued expenses and other current liabilities in the accompanying consolidated balance sheets consist of the following:



	June 30, 2018		June 30, 2017
	(Dollars in Thousands)
Payroll and payroll-related	$	21,796	$	20,864
Royalties and outside commissions	3,333		2,733
Professional fees	1,695		2,216
Deferred acquisition payments	1,700		8,548
Other	10,991		13,788
Total accrued expenses and other current liabilities	$	39,515	$	48,149

Other non-current liabilities in the accompanying consolidated balance sheets consist of the following:



	June 30, 2018		June 30, 2017
	(Dollars in Thousands)
Deferred rent	$	6,442	$	6,916
Uncertain tax positions	3,931		3,921
Deferred acquisition payments	4,294		—
Other	3,825		2,311
Total other non-current liabilities	$	18,492	$	13,148

Credit Agreement	12 Months Ended
Credit Agreement	Jun. 30, 2018
Debt Disclosure [Abstract]
Credit Agreement	Credit Agreement On February 26, 2016, we entered into a $250.0 million Credit Agreement (the “Credit Agreement”) with JPMorgan Chase Bank, N.A., as administrative agent, Silicon Valley Bank, as syndication agent, and the lenders and other parties named therein (the “Lenders”). On August 9, 2017, we entered into an Amendment to increase the Credit Agreement to $350.0 million. The indebtedness evidenced by the Credit Agreement matures on February 26, 2021. Prior to the maturity of the Credit Agreement, any amounts borrowed may be repaid and, subject to the terms and conditions of the Credit Agreement, borrowed again in whole or in part without penalty. We had $170.0 million and $140.0 million in outstanding borrowings under the Credit Agreement as of June 30, 2018 and 2017, respectively. Borrowings under the Credit Agreement bear interest at a rate equal to either, at our option, the sum of (a) the highest of (1) the rate of interest publicly announced by JPMorgan Chase Bank, N.A. as its prime rate in effect, (2) the Federal Funds Effective Rate plus 0.5%, and (3) the one-month Adjusted LIBO Rate plus 1.0%, plus (b) a margin initially of 0.5% for the first full fiscal quarter ending after the date of the Credit Agreement and thereafter based on our Leverage Ratio; or the Adjusted LIBO Rate plus a margin initially of 1.5% for the first full fiscal quarter ending after the date of the Credit Agreement and thereafter based on our Leverage Ratio. We must also pay, on a quarterly basis, an unused commitment fee at a rate of between 0.2% and 0.3% per annum, based on our Leverage Ratio. The interest rates as of June 30, 2018 were 3.60% on $159.0 million of our outstanding borrowings, and 3.55% on the remaining $11.0 million of our outstanding borrowings. All borrowings under the Credit Agreement are secured by liens on substantially all of our assets. The Credit Agreement contains affirmative and negative covenants customary for facilities of this type, including restrictions on: incurrence of additional debt; liens; fundamental changes; asset sales; restricted payments; and transactions with affiliates. The Credit Agreement contains financial covenants regarding maintenance as of the end of each fiscal quarter, commencing with the quarter ending June 30, 2016, of a maximum Leverage Ratio of 3.0 to 1.0 and a minimum Interest Coverage Ratio of 3.0 to 1.0. We were in compliance with all covenants as of June 30, 2018.

Stock-Based Compensation

12 Months Ended

Jun. 30, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock-Based Compensation

Stock Compensation Plans

In December 2016, the shareholders approved the establishment of the 2016 Omnibus Incentive Plan (the 2016 Plan), which provides for the issuance of a maximum of 6,000,000 shares of common stock. The 2016 Plan provides for the grant of incentive and nonqualified stock options, stock appreciation rights, restricted stock, restricted stock units, other stock-related awards, and performance awards that may be settled in cash, stock, or other property. As of June 30, 2018, there were 6,000,000 shares of common stock available for issuance subject to awards under the 2016 Plan.

In April 2010, the shareholders approved the establishment of the 2010 Equity Incentive Plan (the 2010 Plan), which provides for the issuance of a maximum of 7,000,000 shares of common stock. The 2010 Plan provides for the grant of incentive and nonqualified stock options, stock appreciation rights, restricted stock, restricted stock units, other stock-related awards, and performance awards that may be settled in cash, stock, or other property. As of June 30, 2018, there were 2,170,674 shares of common stock available for issuance subject to awards under the 2010 Plan.

General Award Terms

We issue stock options and restricted stock units (RSUs) to our employees and outside directors, pursuant to shareholder-approved equity compensation plans. Option awards are granted with an exercise price equal to the market closing price of our stock on the trading day prior to the grant date. Those options generally vest over four years and expire within 7 or 10 years of grant. RSUs generally vest over four years. Historically, our practice has been to settle stock option exercises and RSU vesting through newly-issued shares.

Stock Compensation Accounting

Our stock-based compensation is accounted for as awards of equity instruments. Our policy is to issue new shares upon the exercise of stock awards. We use the "with-and-without" approach for determining if excess tax benefits are realized under ASC 718.

We utilize the Black-Scholes option valuation model for estimating the fair value of options granted. The Black-Scholes option valuation model incorporates assumptions regarding expected stock price volatility, the expected life of the option, the risk-free interest rate, dividend yield and the market value of our common stock. The expected stock price volatility is determined based on our stock's historic prices over a period commensurate with the expected life of the award. The expected life of an option represents the period for which options are expected to be outstanding as determined by historic option exercises and cancellations. The risk-free interest rate is based on the U.S. Treasury yield curve for notes with terms approximating the expected life of the options granted. The expected dividend yield is zero, based on our history and expectation of not paying dividends on common shares. We recognize compensation costs on a straight-line basis, net of forfeitures, over the requisite service period for time-vested awards.

The weighted average estimated fair value of option awards granted during fiscal 2018, 2017 and 2016 was $17.07, $13.16, and $13.16, respectively.

We utilized the Black-Scholes option valuation model with the following weighted average assumptions:



	Year Ended June 30,
	2018		2017		2016
Risk-free interest rate	1.7	%	1.2	%	1.4	%
Expected dividend yield	None		None		None
Expected life (in years)	4.6		4.6		4.6
Expected volatility factor	28	%	31	%	34	%

The stock-based compensation expense and its classification in the accompanying consolidated statements of operations for fiscal 2018, 2017 and 2016 was as follows:



	Year Ended June 30,
	2018		2017		2016
	(Dollars in Thousands)
Recorded as expenses:
Cost of service and other	$	1,479	$	1,477	$	1,390
Selling and marketing	3,862		3,652		4,351
Research and development	7,617		5,806		3,423
General and administrative	9,730		7,865		6,563
Total stock-based compensation	$	22,688	$	18,800	$	15,727

A summary of stock option and RSU activity under all equity plans in fiscal 2018 is as follows:



	Stock Options							Restricted Stock Units
	Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value (in 000's)		Shares		Weighted Average Grant Date Fair Value
Outstanding at June 30, 2017	1,353,558		$	37.98	7.30	$	23,535	615,998		$	45.62
Granted	421,253		64.30					348,902		64.32
Settled (RSUs)								(307,731	)	49.68
Exercised	(362,515	)	37.05
Cancelled / Forfeited	(42,854	)	50.51					(35,469	)	53.69
Outstanding at June 30, 2018	1,369,442		$	45.93	7.23	$	64,103	621,700		$	53.64
Exercisable at June 30, 2018	778,286		$	38.83	6.20	$	41,960
Vested and expected to vest at June 30, 2018	1,312,546		$	45.47	7.17	$	62,046	561,265		$	53.62

During fiscal 2018, 2017 and 2016, the weighted average grant-date fair value of RSUs granted was $64.32, $46.59 and $41.86, respectively. During fiscal 2018, 2017 and 2016 the total fair value of vested shares from RSU grants amounted to $23.0 million, $16.6 million and $12.7 million, respectively.

As of June 30, 2018, the total future unrecognized compensation cost related to stock options and RSUs was $8.0 million and $26.6 million, respectively, and are expected to be recorded over a weighted average period of 2.50 years and 2.48 years, respectively.

During fiscal 2018, 2017 and 2016 the weighted average exercise price of stock options granted was $64.30, $46.31 and $42.66. The total intrinsic value of options exercised during fiscal 2018, 2017 and 2016 was $15.1 million, $7.9 million and $4.1 million, respectively. We received $13.5 million, $9.3 million and $3.9 million in cash proceeds from option exercises during fiscal 2018, 2017 and 2016, respectively. We paid $8.1 million, $5.8 million and $4.4 million for withholding taxes on vested RSUs during fiscal 2018, 2017 and 2016, respectively.

At June 30, 2018, common stock reserved for future issuance or settlement under equity compensation plans was 10.2 million shares.

Common Stock	12 Months Ended
Common Stock	Jun. 30, 2018
Equity [Abstract]
Common Stock	Common Stock On January 22, 2015, our Board of Directors approved a share repurchase program (the "Share Repurchase Program") for up to $450 million worth of our common stock. On April 26, 2016, June 8, 2017, and April 18, 2018, the Board of Directors approved a $400 million, $200 million, and $200 million increase in our current share repurchase plan, respectively. The timing and amount of any shares repurchased are based on market conditions and other factors. All share repurchases of our common stock have been recorded as treasury stock under the cost method. During fiscal 2018, we repurchased 2,797,623 shares of our common stock in the open market for $200.0 million. During fiscal 2017, we repurchased 5,185,257 shares of our common stock in the open market for $275.0 million and 2,106,709 shares of our common stock for $100.0 million as part of an accelerated share repurchase program. During fiscal 2016, we repurchased 4,750,692 shares of our common stock in the open market for $180.1 million. As of June 30, 2018, the remaining dollar value under the Share Repurchase Program was $346.3 million.

Net Income Per Share (Notes)

12 Months Ended

Jun. 30, 2018

Earnings Per Share [Text Block]

Net Income Per Share

Basic income per share is determined by dividing net income by the weighted average common shares outstanding during the period. Diluted income per share is determined by dividing net income by diluted weighted average shares outstanding during the period. Diluted weighted average shares reflect the dilutive effect, if any, of potential common shares. To the extent their effect is dilutive, employee equity awards and other commitments to be settled in common stock are included in the calculation of diluted net income per share based on the treasury stock method.

The calculations of basic and diluted net income per share and basic and dilutive weighted average shares outstanding for the years ended June 30, 2018, 2017 and 2016 are as follows:



	Year Ended June 30,
	2018		2017		2016
	(Dollars and Shares in Thousands, Except per Share Data)
Net income	$	148,688	$	162,196	$	139,951

Weighted average shares outstanding	72,140		76,491		82,892
Dilutive impact from:
Employee equity awards	816		487		417
Dilutive weighted average shares outstanding	72,956		76,978		83,309
Income per share
Basic	$	2.06	$	2.12	$	1.69
Dilutive	$	2.04	$	2.11	$	1.68

For the years ended June 30, 2018, 2017 and 2016, certain employee equity awards were anti-dilutive based on the treasury stock method. The following employee equity awards were excluded from the calculation of dilutive weighted

average shares outstanding because their effect would be anti-dilutive as of the balance sheet date:



	Year Ended June 30,
	2018	2017	2016
	(Shares in Thousands)
Employee equity awards	419	525	1,028

Included in the table above are options to purchase 32,609 shares of our common stock as of June 30, 2018 which were not included in the computation of dilutive weighted average shares outstanding, because their exercise prices ranged from $75.74 per share to $93.59 per share and were greater than the average market price of our common stock during the period then ended. These options were outstanding as of June 30, 2018 and expire at various dates through May 28, 2028.

Income Taxes

12 Months Ended

Jun. 30, 2018

Income Tax Disclosure [Abstract]

Income Taxes

Income before provision for income taxes consists of the following:



	Year Ended June 30,
	2018		2017		2016
	(Dollars in Thousands)
Domestic	$	195,442	$	202,053	$	201,885
Foreign	7,901		8,293		8,754
Income before provision for income taxes	$	203,343	$	210,346	$	210,639

The provision for income taxes shown in the accompanying consolidated statements of operations is composed of the following:



	Year Ended June 30,
	2018		2017			2016
	(Dollars in Thousands)
Federal—
Current	$	47,734	$	69,385		$	56,535
Deferred	2,468		(22,449		)	7,496
State—
Current	1,471		1,737			1,866
Deferred	419		(1,079		)	204
Foreign—
Current	2,296		2,067			4,554
Deferred	267		(1,511		)	33
	$	54,655	$	48,150		$	70,688

On December 22, 2017, the President of the United States signed into law Public Law No. 115-97, commonly referred to as the Tax Cuts and Jobs Act (the “Tax Act”), following its passage by the United States Congress. The Tax Act made significant changes to U.S. federal income tax laws, including reduction of the corporate tax rate from 35.0% to 21.0%, limitation of the tax deduction for interest expense to 30.0% of adjusted taxable income (except for certain small businesses), limitation of the deduction for net operating losses to 80.0% of current year taxable income and elimination of net operating loss carrybacks, one time taxation of offshore earnings at reduced rates regardless of whether they are repatriated, elimination of U.S. tax on foreign earnings (subject to certain important exceptions), immediate deductions for certain new investments instead of deductions for depreciation expense over time, and modifying or repealing many business deductions. As a result of the enactment of the Tax Act, the blended U.S. statutory federal income tax rate for fiscal 2018 was 28.1%.

The Tax Act has several significant changes that impact all taxpayers, including a transition tax, which is a one-time tax charge on accumulated, undistributed foreign earnings. The calculation of accumulated foreign earnings requires an analysis of each foreign entity’s financial results going back to 1986. In response to the Tax Act, the Securities and Exchange Commission (“SEC”) staff issued a Staff Accounting Bulletin No. 118 (“SAB 118”) that provides guidance on accounting for the impact of the Tax Act. SAB 118 allows companies to record provisional amounts while the accounting impact of the Tax Act is still under analysis, not to extend beyond the measurement period of one year from the enactment of the Tax Act. We are currently estimating that we will not be subject to the transition tax associated with our accumulated, undistributed foreign earnings. We will continue to evaluate this area and expect to finalize our conclusions by the second quarter of fiscal 2019.

The provision for income taxes differs from that based on the federal statutory rate due to the following:



	Year Ended June 30,
	2018			2017			2016
	(Dollars in Thousands)
Federal tax provision at statutory rate	$	57,058		$	73,621		$	73,723
State income taxes	1,231			967			1,153
Tax Cuts and Jobs Act	5,162			—			—
Effect of foreign operations	4,700			2,912			3,581
Foreign taxes and rate differences	(164		)	(206		)	(663		)
Stock-based compensation	(2,951		)	991			1,359
Tax credits	(7,912		)	(6,614		)	(3,867		)
Tax contingencies	(185		)	(19,645		)	(581		)
Return to provision adjustments	(487		)	464			658
Domestic Production Activity Deduction	(4,869		)	(6,261		)	(4,892		)
Valuation allowance	2,326			1,522			49
Other	746			399			168
Provision for income taxes	$	54,655		$	48,150		$	70,688

Deferred tax assets (liabilities) consist of the following at June 30, 2018 and 2017:



	Year Ended June 30,
	2018			2017
	(Dollars in Thousands)
Deferred tax assets:
Federal and state credits	$	4,363		$	2,553
Capital loss carryforwards	4,856			7,940
Net operating loss carryforwards	1,452			3,028
Deferred revenue	10,990			5,881
Other reserves and accruals	6,550			10,701
Intangible assets	1,015			1,730
Property, leasehold improvements, and other basis differences	1,647			2,470
Other temporary differences	651			971
	31,524			35,274
Deferred tax liabilities:
Deferred revenue	(4,671		)	(44		)
Intangible assets	(5,431		)	(7,017		)
Property, leasehold improvements, and other basis differences	(1,340		)	(2,634		)
	(11,442		)	(9,695		)
Valuation allowance	(10,416		)	(11,259		)
Net deferred tax assets	$	9,666		$	14,320

Reflected in the deferred tax assets above at June 30, 2018, we have foreign net operating loss carryforwards of $1.5 million, some of which will expire beginning in 2019 and others with unlimited carryforwards, and state research and development credits of $4.3 million which begin to expire in 2025.

We adopted ASU No. 2016-09 effective July 1, 2017. As a result of adopting the new standard, excess tax benefits from stock-based compensation are now reflected in the consolidated statements of operations as a component of the provision for income taxes, whereas they were previously a component of stockholders’ deficit. The adoption of ASU No. 2016-09 resulted in a decrease in our provision for income taxes of $3.0 million during fiscal 2018. This represents a decrease in our effective tax rate of approximately one percentage point during fiscal 2018, due to the recognition of excess tax benefits for options exercised and the vesting of equity awards.

Our valuation allowance for deferred tax assets was $10.4 million and $11.3 million as of June 30, 2018 and 2017 respectively. The most significant portion of the valuation allowance is attributable to a reserve against US capital loss carryforward deferred tax assets of $4.9 million and state R&D tax credits of $4.0 million.

For fiscal 2018, our income tax provision included amounts determined under the provisions of ASC 740 intended to satisfy additional income tax assessments, including interest and penalties, that could result from any tax return positions for which the likelihood of sustaining the position on audit does not meet a threshold of "more likely than not." Tax liabilities were recorded as a component of our income taxes payable and other non-current liabilities. The ultimate amount of taxes due will not be known until examinations are completed and settled or the audit periods are closed by statutes.

A reconciliation of the reserve for uncertain tax positions is as follows:



	Year Ended June 30,
	2018			2017			2016
	(Dollars in Thousands)
Uncertain tax positions, beginning of year	$	3,921		$	23,535		$	19,870
Gross increases (decreases) —tax positions in prior period	544			(19,116		)	67
Gross increases—tax positions in current period	—			—			5,474
Gross decreases—lapse of statutes	(637		)	(830		)	(1,772		)
Currency translation adjustment	103			332			(104		)
Uncertain tax positions, end of year	$	3,931		$	3,921		$	23,535

At June 30, 2018, the total amount of unrecognized tax benefits is $3.9 million. Upon being recognized, the amount would reduce the effective tax rate. Our policy is to recognize interest and penalties related to income tax matters as provision for (benefit from) income taxes. At June 30, 2018, we had approximately $0.4 million of accrued interest and $0.2 million of penalties related to uncertain tax positions. We recorded a benefit for interest and penalties of approximately $0.1 million during fiscal 2018.

During the fourth quarter of fiscal 2017, we settled an audit with the Internal Revenue Services (“IRS”) for the fiscal 2015. As a result of settling the audit, we released a significant portion of our reserve for US tax positions. The amount reversed in the fourth quarter related to settling the tax audit was $19.2 million.

We are subject to income tax in many jurisdictions outside the U.S. Our operations in certain jurisdictions remain subject to examination for tax years 2008 to 2017, some of which are currently under audit by local tax authorities. The resolutions of these audits are not expected to be material to our consolidated financial statements.

Commitments and Contingencies

12 Months Ended

Jun. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Operating Leases

We lease certain facilities and various office equipment under non-cancellable operating leases with terms in excess of one year. Rental expense, including short term leases, maintenance charges and taxes on leased facilities, was approximately $8.2 million, $8.4 million and $8.3 million for fiscal years 2018, 2017 and 2016, respectively.

Future minimum lease payments under these leases as of June 30, 2018 are as follows:



Year Ended June 30,	Operating Leases
	(Dollars in Thousands)
2019	$	7,938
2020	7,697
2021	6,247
2022	5,356
2023	4,775
Thereafter	6,718
Total	$	38,731

Letters of Credit

Standby letters of credit for $3.5 million secure our performance on professional services contracts and certain facility leases. The letters of credit expire at various dates through fiscal 2025.

Legal Matters

In the ordinary course of business, we are, from time to time, involved in lawsuits, claims, investigations, proceedings and threats of litigation. These matters include an April 2004 claim by a customer that certain of our software products and implementation services failed to meet the customer's expectations. In March 2014, a judgment was issued by the trial court against us in the amount of approximately 1.9 million Euro (“€”) plus interest and a portion of legal fees. We subsequently filed an appeal of that judgment. In March 2016, the appellate court determined that we are liable for damages in the amount of approximately €1.7 million plus interest, with the possibility of additional damages to be determined in further proceedings by the appellate court. In December 2017, the appellate court issued a final judgment against us in the amount of approximately €3.5 million, including interest, plus approximately €0.2 million in costs and legal fees. As of June 30, 2018, all payments associated with this judgment have been paid.

While the outcome of the proceedings and claims referenced above cannot be predicted with certainty, there are no such matters, as of June 30, 2018 that, in the opinion of management, are reasonably possible to have a material adverse effect on our financial position, results of operations or cash flows. Liabilities, if applicable, related to the aforementioned matters discussed in this Note have been included in our accrued liabilities at June 30, 2018, and are not material to our financial position for the periods then ended. As of June 30, 2018, we do not believe that there is a reasonable possibility of a material loss exceeding the amounts already accrued for the proceedings or matters discussed above. However, the results of litigation (including the above-referenced appeal) and claims cannot be predicted with certainty; unfavorable resolutions are possible and could materially affect our results of operations, cash flows or financial position. In addition, regardless of the outcome, litigation could have an adverse impact on us because of attorneys' fees and costs, diversion of management resources and other factors.

Retirement Plans	12 Months Ended
Retirement Plans	Jun. 30, 2018
Defined Contribution Plan [Abstract]
Retirement and Profit Sharing Plans	Retirement Plans We maintain a defined contribution retirement plan under Section 401(k) of the Internal Revenue Code (IRC) covering all eligible employees, as defined. Under the plan, a participant may elect to defer receipt of a stated percentage of his or her compensation, subject to limitation under the IRC, which would otherwise be payable to the participant for any plan year. We may make discretionary contributions to this plan, including making matching contributions of 50%, up to a maximum of 6% of an employee's pretax contribution. We made matching contributions of approximately $2.7 million, $2.5 million and $2.4 million in fiscal 2018, 2017 and 2016, respectively. Additionally, we participate in certain government mandated and defined contribution plans throughout the world for which we comply with all funding requirements.

Segment and Geographic Information

12 Months Ended

Jun. 30, 2018

Segment Reporting [Abstract]

Segment and Geographic Information

Operating segments are defined as components of an enterprise that engage in business activities for which discrete financial information is available and regularly reviewed by the chief operating decision maker in deciding how to allocate resources and to assess performance. Our chief operating decision maker is our President and Chief Executive Officer.

We have two operating and reportable segments, which are consistent with our reporting units: i) subscription and software and ii) services. The subscription and software segment is engaged in the licensing of asset optimization software solutions and associated support services. The services segment includes professional services and training.

The accounting policies of the operating segments are the same as those described in the summary of significant accounting policies (refer to Note 2). We do not track assets or capital expenditures by operating segments. Consequently, it is not practical to present assets, capital expenditures, depreciation or amortization by operating segments.

The following table presents a summary of our reportable segments' profits:



	Subscription and software			Services			Total
	(Dollars in Thousands)
Year Ended June 30, 2018:
Segment revenue	$	471,041		$	28,473		$	499,514
Segment expenses(1)	(206,381		)	(27,416		)	(233,797		)
Segment profit	$	264,660		$	1,057		$	265,717
Year Ended June 30, 2017:
Segment revenue	$	453,512		$	29,430		$	482,942
Segment expenses(1)	(193,214		)	(26,415		)	(219,629		)
Segment profit	$	260,298		$	3,015		$	263,313
Year Ended June 30, 2016:
Segment revenue	$	440,408		$	31,936		$	472,344
Segment expenses(1)	(179,064		)	(28,235		)	(207,299		)
Segment profit	$	261,344		$	3,701		$	265,045

____________________________________________


(1)	Our reportable segments’ operating expenses include expenses directly attributable to the segments. Segment expenses include selling and marketing, research and development, stock-based compensation and certain corporate expenses incurred in support of the segments. Segment expenses do not include allocations of general and administrative; interest income, net; and other income (expense), net.

Reconciliation to Income Before Provision for Income Taxes

The following table presents a reconciliation of total segment operating profit to income before provision for income taxes:



	Year Ended June 30,
	2018			2017			2016
	(Dollars in Thousands)
Total segment profit for reportable segments	$	265,717		$	263,313		$	265,045
General and administrative	(56,076		)	(51,297		)	(53,664		)
Other (expense) income, net	(838		)	1,309			29
Interest (expense), net	(5,460		)	(2,979		)	(771		)
Income before provision for income taxes	$	203,343		$	210,346		$	210,639

Geographic Information:

Revenue to external customers is attributed to individual countries based on the location the product or services are sold. Domestic and international sales as a percentage of total revenue are as follows:



	Year Ended June 30,
	2018		2017		2016
United States	38.0	%	37.9	%	35.4	%
Europe	27.8		28.1		29.6
Other(1)	34.2		34.0		35.0
	100.0	%	100.0	%	100.0	%

____________________________________________


(1)	Other consists primarily of Asia Pacific, Canada, Latin America and the Middle East.

We have long-lived assets of approximately $93.9 million that are located domestically and $39.8 million that reside in other geographic locations as of June 30, 2018. We had long-lived assets of approximately $71.9 million that were located domestically and $15.5 million that reside in other geographic locations as of June 30, 2017.

Quarterly Financial Data (Unaudited)

12 Months Ended

Jun. 30, 2018

Quarterly Financial Data [Abstract]

Quarterly Financial Data (Unaudited)

The following tables present quarterly consolidated statement of operations data for fiscal 2018 and 2017. The below data is unaudited but, in our opinion, reflects all adjustments necessary for a fair presentation of this data in accordance with GAAP:



	Three Months Ended
	June 30, 2018		March 31, 2018		December 31, 2017		September 30, 2017
	(Dollars and Shares in Thousands, Except per Share Data)
Total revenue	$	125,960	$	125,871	$	124,902	$	122,781
Gross profit	112,913		113,095		112,813		110,049
Income from operations	50,706		51,157		54,465		53,313
Net income	38,020		37,835		38,078		34,755
Net income per common share:
Basic	$	0.53	$	0.53	$	0.53	$	0.48
Diluted	$	0.53	$	0.52	$	0.52	$	0.47
Weighted average shares outstanding:
Basic	71,349		71,828		72,342		73,024
Diluted	72,315		72,663		73,036		73,609



	Three Months Ended
	June 30, 2017		March 31, 2017		December 31, 2016		September 30, 2016
	(Dollars and Shares in Thousands, Except per Share Data)
Total revenue	$	123,682	$	119,277	$	119,933	$	120,050
Gross profit	111,568		107,010		108,354		108,544
Income from operations	48,948		52,273		56,065		54,730
Net income	54,352		35,834		37,010		35,000
Net income per common share:
Basic	$	0.73	$	0.47	$	0.48	$	0.44
Diluted	$	0.73	$	0.47	$	0.48	$	0.44
Weighted average shares outstanding:
Basic	74,294		75,676		76,905		79,048
Diluted	74,830		76,182		77,318		79,385

Significant Accounting Policies (Policies)	12 Months Ended
Significant Accounting Policies (Policies)	Jun. 30, 2018
Accounting Policies [Abstract]
Principles of Consolidation	(a) Principles of Consolidation The accompanying consolidated financial statements include the accounts of Aspen Technology, Inc. and our wholly owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation. Reclassifications Certain line items in prior period financial statements have been reclassified to conform to currently reported presentations.
Management Estimates	(b) Management Estimates The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions. These estimates and assumptions affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenue and expenses during the reporting period. Actual results could differ from those estimates.
Cash and Cash Equivalents	(c) Cash and Cash Equivalents Cash and cash equivalents consist of short-term, highly liquid investments with remaining maturities of three months or less when purchased.
Revenue Recognition	(d) Revenue Recognition We generate revenue from the following sources: (1) Subscription and software revenue; and (2) Services and other revenue. We sell our software products to end users primarily under fixed-term licenses. We license our software products primarily through a subscription offering which we refer to as our aspenONE licensing model, which includes software maintenance and support, known as our Premier Plus SMS offering, for the entire term. Our aspenONE products are organized into three suites: 1) engineering; 2) manufacturing and supply chain; and 3) asset performance management. The aspenONE licensing model provides customers with access to all of the products within the aspenONE suite(s) they license. We refer to these arrangements as token arrangements. Tokens are fixed units of measure. The amount of software usage is limited by the number of tokens purchased by the customer. We also license our software through point product term arrangements, which include our Premier Plus SMS offering for the entire term, as well as perpetual license arrangements. Four basic criteria must be satisfied before software license revenue can be recognized: persuasive evidence of an arrangement between us and an end user; delivery of our product has occurred; the fee for the product is fixed or determinable; and collection of the fee is probable. Persuasive evidence of an arrangement—We use a signed contract as evidence of an arrangement for software licenses and SMS. For professional services we use a signed contract and a work proposal to evidence an arrangement. In cases where both a signed contract and a purchase order are required by the customer, we consider both taken together as evidence of the arrangement. Delivery of our product—Software and the corresponding access keys are generally delivered to customers via electronic delivery or via physical medium with standard shipping terms of Free Carrier, our warehouse (i.e., FCA, AspenTech). Our software license agreements do not contain conditions for acceptance. Fee is fixed or determinable—We assess whether a fee is fixed or determinable at the outset of the arrangement. Significant judgment is involved in making this assessment. As a standard business practice, we offer fixed-term license arrangements, which are generally payable on an annual basis. We cannot assert that the fees under our aspenONE licensing model and point product arrangements with Premier Plus SMS are fixed or determinable because of the rights provided to customers, economics of the arrangements, and because we do not have an established history of our arrangements going to term end date without providing concessions to customers. As a result, the amount of revenue recognized for these arrangements is limited by the amount of customer payments that become due. Collection of fee is probable—We assess the probability of collecting from each customer at the outset of the arrangement based on a number of factors, including the customer's payment history, its current creditworthiness, economic conditions in the customer's industry and geographic location, and general economic conditions. If in our judgment collection of a fee is not probable, revenue is recognized as cash is collected, provided all other conditions for revenue recognition have been met. Vendor-Specific Objective Evidence of Fair Value (VSOE) We have established VSOE for professional services and certain training offerings, but not for our software products or our SMS offerings. We assess VSOE for SMS, professional services, and training, based on an analysis of standalone sales of the offerings using the bell-shaped curve approach. We do not have a history of selling our Premier Plus SMS offering to customers on a standalone basis, and as a result are unable to establish VSOE for this deliverable. Subscription and Software Revenue Subscription and software revenue consists primarily of product and related revenue from our (i) aspenONE licensing model; (ii) point product arrangements with our Premier Plus SMS offering included for the contract term; and (iii) perpetual arrangements. When a customer elects to license our products under our aspenONE licensing model, our Premier Plus SMS offering is included for the entire term of the arrangement and the customer receives, for the term of the arrangement, the right to any new unspecified future software products and updates that may be introduced into the licensed aspenONE software suite. Due to our obligation to provide unspecified future software products and updates and because we do not have VSOE for our Premier Plus SMS offering, we are required to recognize revenue ratably over the term of the arrangement, once the other revenue recognition criteria noted above have been met. Our point product arrangements with Premier Plus SMS include SMS for the term of the arrangement. Since we do not have VSOE for our Premier Plus SMS offering, the SMS element of our point product arrangements is not separable. As a result, revenue associated with point product arrangements with Premier Plus SMS included for the contract term is recognized ratably over the term of the arrangement, once the other revenue recognition criteria have been met. Services and Other Revenue Professional Services Revenue Professional services are provided to customers on a time-and-materials (T&M) or fixed-price basis. We recognize professional services fees for our T&M contracts based upon hours worked and contractually agreed-upon hourly rates. Revenue from fixed-price engagements is recognized using the proportional performance method based on the ratio of costs incurred to the total estimated project costs. Project costs are typically expensed as incurred. The use of the proportional performance method is dependent upon our ability to reliably estimate the costs to complete a project. We use historical experience as a basis for future estimates to complete current projects. Additionally, we believe that costs are the best available measure of performance. Out-of-pocket expenses which are reimbursed by customers are recorded as revenue. In certain circumstances, professional services revenue may be recognized over a longer time period than the period over which the services are performed. If the costs to complete a project are not estimable or the completion is uncertain, the revenue and related costs are recognized upon completion of the services. In circumstances in which professional services are sold as a single arrangement with, or in contemplation of, a new aspenONE license or point product arrangement with Premier Plus SMS, revenue is deferred and recognized on a ratable basis over the longer of (i) the period the services are performed, or (ii) the license term. When we provide professional services considered essential to the functionality of the software, we recognize the combined revenue from the sale of the software and related services using the completed contract or percentage-of-completion method. We have occasionally been required to commit unanticipated additional resources to complete projects, which resulted in losses on those contracts. Provisions for estimated losses on contracts are made during the period in which such losses become probable and can be reasonably estimated. Training Revenue We provide training services to our customers, including on-site, Internet-based, public and customized training. Revenue is recognized in the period in which the services are performed. In circumstances in which training services are sold as a single arrangement with, or in contemplation of, a new aspenONE license or point product arrangement with Premier Plus SMS, revenue is deferred and recognized on a ratable basis over the longer of (i) the period the services are performed or (ii) the license term. Deferred Revenue Deferred revenue includes amounts billed or collected in advance of revenue recognition, including arrangements under the aspenONE licensing model, point product arrangements with Premier Plus SMS, professional services, and training. Deferred revenue is recorded as each invoice becomes due. Other Licensing Matters Our standard licensing agreements include a product warranty provision. We have not experienced significant claims related to software warranties beyond the scope of SMS support, which we are already obligated to provide, and consequently, we have not established reserves for warranty obligations. Our agreements with our customers generally require us to indemnify the customer against claims that our software infringes third-party patent, copyright, trademark or other proprietary rights. Such indemnification obligations are generally limited in a variety of industry-standard respects, including our right to replace an infringing product. As of June 30, 2018 and 2017, we had not experienced any material losses related to these indemnification obligations and no claims with respect thereto were outstanding. We do not expect significant claims related to these indemnification obligations, and consequently, have not established any related reserves.
Computer Software Development Costs	(e) Computer Software Development Costs Certain computer software development costs are capitalized in the accompanying consolidated balance sheets. Capitalization of computer software development costs begins upon establishing technological feasibility defined as meeting specifications determined by the program design. Amortization of capitalized computer software development costs is provided on a product-by-product basis using the greater of (a) the amount computed using the ratio that current gross revenue for a product bears to total of current and anticipated future gross revenue for that product or (b) the straight-line method, beginning upon commercial release of the product, and continuing over the remaining estimated economic life of the product, not to exceed three years. Total computer software costs capitalized were $0.4 million, $0.4 million and $0.3 million during the years ended June 30, 2018, 2017 and 2016, respectively. Total amortization expense charged to operations was approximately $0.4 million, $0.5 million and $0.6 million for the years ended June 30, 2018, 2017 and 2016, respectively. Computer software development accumulated amortization totaled $74.7 million and $74.3 million as of June 30, 2018 and 2017, respectively. Weighted average remaining useful life of computer software development costs was 1.0 years and 0.6 years at June 30, 2018 and 2017, respectively. At each balance sheet date, we evaluate the unamortized capitalized software costs for potential impairment by comparing the balance to the net realizable value of the products. During the years ending June 30, 2018, 2017 and 2016, our computer software development costs were not considered impaired and as such, we did not recognize impairment losses during the periods then ended.
Foreign Currency Transactions	(f) Foreign Currency Translation The determination of the functional currency of subsidiaries is based on the subsidiaries' financial and operational environment and is the local currency of the subsidiary. Gains and losses from foreign currency translation related to entities whose functional currency is their local currency are credited or charged to accumulated other comprehensive income included in stockholders' deficit in the consolidated balance sheets. In all instances, foreign currency transaction and remeasurement gains or losses are credited or charged to the consolidated statements of operations as incurred as a component of other income (expense), net. Net foreign currency transaction and remeasurement losses were $(0.8) million in fiscal 2018, gains were $0.6 million in fiscal 2017, and losses were $(0.1) million in fiscal 2016.
Concentration of Credit Risk	(g) Concentration of Credit Risk Financial instruments that potentially subject us to concentrations of credit risk are principally cash and cash equivalents, marketable securities, accounts receivable and installments receivable. Our cash is held in financial institutions and our cash equivalents are invested in money market mutual funds that we believe to be of high credit quality. We diversify our investment portfolio by investing in multiple types of investment-grade securities and attempt to mitigate a risk of loss by using a third-party investment manager. Concentration of credit risk with respect to receivables is limited to certain customers to which we make substantial sales. To reduce risk, we assess the financial strength of our customers. We do not require collateral or other security in support of our receivables. As of June 30, 2018, we had one customer receivable balance that represented approximately 12% of our total receivables. As of June 30, 2017, we had one customer receivable balance that represented approximately 18% of our total receivables, and was collected subsequent to June 30, 2017.
Computer Software Developed for Internal Use	(h) Computer Software Developed for Internal Use and Long-Lived Assets Computer Software Developed for Internal Use: Computer software developed for internal use is capitalized in accordance with ASC Topic 350-40, Intangibles Goodwill and Other—Internal Use Software. We capitalize direct labor costs incurred to develop internal-use software during the application development stage after determining software technological requirements and obtaining management approval for funding projects probable of completion. In fiscal 2018, 2017 and 2016, there were no capitalized direct labor costs associated with our development of software for internal use.
Impairment of Long-Lived Assets	Impairment of Long-Lived Assets: We evaluate our long-lived assets, which include finite-lived intangible assets, property and leasehold improvements for impairment as events and circumstances indicate that the carrying amount of an asset or a group of assets may not be recoverable. We assess the recoverability of the asset or a group of assets based on the undiscounted future cash flows the asset is expected to generate, and recognize an impairment loss when estimated undiscounted future cash flows expected to result from the use of the asset are less than its carrying value. If an asset or a group of assets are deemed to be impaired, the amount of the impairment loss, if any, represents the excess of the asset's or a group of assets' carrying value compared to their estimated fair values.
Comprehensive Income	(i) Comprehensive Income Comprehensive income is defined as the change in equity of a business enterprise during a period from transactions and other events and circumstances from non-owner sources. Comprehensive income and its components for fiscal 2018, 2017 and 2016 are disclosed in the accompanying consolidated statements of comprehensive income. As of June 30, 2018, accumulated other comprehensive income is comprised of foreign translation adjustments of $1.4 million. As of June 30, 2017 and 2016, accumulated other comprehensive income is comprised of foreign translation adjustments of $1.5 million $2.7 million, respectively, and net unrealized gains (losses) on available for sale securities of $0.1 million and ($0.1) million, respectively.
Accounting for Stock-Based Compensation	(j) Accounting for Stock-Based Compensation Stock-based compensation cost is measured at the grant date based on the fair value of the award and is recognized as expense over the vesting period.
Income Taxes	(k) Income Taxes Deferred income taxes are recognized based on temporary differences between the financial statement and tax bases of assets and liabilities. Deferred tax assets and liabilities are measured using the statutory tax rates and laws expected to apply to taxable income in the years in which the temporary differences are expected to reverse. Valuation allowances are provided against net deferred tax assets if, based upon the available evidence, it is more likely than not that some or all of the deferred tax assets will not be realized. The ultimate realization of deferred tax assets is dependent upon the generation of future taxable income and the timing of the temporary differences becoming deductible. Management considers, among other available information, scheduled reversals of deferred tax liabilities, projected future taxable income, limitations of availability of net operating loss carryforwards, and other matters in making this assessment. We do not provide deferred taxes on unremitted earnings of foreign subsidiaries since we intend to indefinitely reinvest either currently or sometime in the foreseeable future. Unrecognized provisions for taxes on undistributed earnings of foreign subsidiaries, which are considered indefinitely reinvested, are not material to our consolidated financial position or results of operations. We are continuously subject to examination by the IRS, as well as various state and foreign jurisdictions. The IRS and other taxing authorities may challenge certain deductions and credits reported by us on our income tax returns. In accordance with provisions of ASC Topic 740, Income Taxes (ASC 740), an entity should recognize a tax benefit when it is more-likely-than-not, based on the technical merits, that the position would be sustained upon examination by a taxing authority. The amount to be recognized, if the more-likely-than-not threshold was passed, should be measured as the largest amount of tax benefit that is greater than 50 percent likely of being realized upon ultimate settlement with a taxing authority that has full knowledge of all relevant information. Furthermore, any change in the recognition, de-recognition or measurement of a tax position should be recorded in the period in which the change occurs. We account for interest and penalties related to uncertain tax positions as part of the provision for income taxes.
Loss Contingencies	(l) Loss Contingencies We accrue estimated liabilities for loss contingencies arising from claims, assessments, litigation and other sources when it is probable that a liability has been incurred and the amount of the claim assessment or damages can be reasonably estimated. We believe that we have sufficient accruals to cover any obligations resulting from claims, assessments or litigation that have met these criteria. Refer to Note 15, "Commitments and Contingencies," to our Consolidated Financial Statements for discussion of these matters and related liability accruals.
Advertising Costs	(m) Advertising Costs Advertising costs are expensed as incurred and are classified as sales and marketing expenses. We incurred advertising expenses of $3.2 million, $3.2 million and $2.3 million during fiscal 2018, 2017 and 2016, respectively.
Research and Development Expense	(n) Research and Development Expense We charge research and development expenditures to expense as the costs are incurred. Research and development expenses consist primarily of personnel expenses related to the creation of new products, enhancements and engineering changes to existing products and costs of acquired technology prior to establishing technological feasibility. During fiscal 2017 and 2016, we acquired certain technologies for $2.3 million and $0.3 million, respectively. At the time we acquired the technology, the project to develop a commercially available product did not meet the definition of having reached technological feasibility and as such, the entire cost of the acquired technology was expensed as research and development expense.
Recent Accounting Pronouncements	(o) Recent Accounting Pronouncements In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers (Topic 606). ASU No. 2014-09 supersedes the revenue recognition requirements in Revenue Recognition (Topic 605), and requires entities to recognize revenue when they transfer promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. Under the new guidance, an entity is required to evaluate revenue recognition through a five-step process. In applying the principles of ASU 2014-09, it is possible more judgment and estimates may be required within the revenue recognition process than is required under existing U.S. GAAP, including identifying performance obligations in the contract, estimating the amount of variable consideration to include in the transaction price, and allocating the transaction price to each separate performance obligation. As currently issued and amended, ASU 2014-09 is effective for annual reporting periods beginning after December 15, 2017, including interim periods within that reporting period, though early adoption is permitted for annual reporting periods beginning after December 15, 2016. We will adopt ASU No. 2014-09 during the first quarter of fiscal 2019 and plan to utilize the full retrospective method. The adoption of ASU No. 2014-09 will primarily impact the timing of the license portion of the revenue recognized from our term contracts. Under the new standard, for arrangements that include term-based software licenses bundled with maintenance and support, we will be required to recognize as revenue a portion of the arrangement fee upon delivery of the software license. We expect to recognize as revenue a portion of the arrangement fee related to maintenance and support, professional services, and training over time as the services are provided. Additionally, under the new standard, we expect to capitalize certain direct and incremental commission costs to obtain a contract and amortize such costs over the expected period of benefit, rather than expensing them as incurred in the period that the commissions are earned. The quantitative ranges provided below represent management’s best estimates of the effects of adopting ASU No. 2014-09 at the time of preparation of this Annual Report on Form 10-K. The actual impact of adopting ASU No. 2014-09 is subject to change from these estimates, and such changes may be significant, pending the completion of our assessment in the first quarter of fiscal 2019. In order to complete this assessment, we are continuing to update and enhance our internal accounting systems and internal controls over financial reporting. Based upon the work performed to date, we expect to record a cumulative-effect adjustment as of June 30, 2016 to increase retained earnings by approximately $781.0 million to $1,072.0 million, which includes an estimated $670.0 million to $920.0 million increase in retained earnings due to changes in revenue recognition, an estimated $16.0 million to $22.0 million increase in retained earnings due to deferred commission expense, and an estimated $95.0 million to $130.0 million increase in retained earnings due to interest income. We expect the cumulative-effect adjustment to result in a corresponding increase to unbilled contract assets and receivables of approximately $660.0 million to $900.0 million, an increase to deferred commission costs of approximately $16.0 million to $22.0 million, and a decrease to deferred revenue and interest of approximately $150.0 million to $220.0 million. We estimate the revised total revenue for fiscal 2017 and fiscal 2018 to be in the range of $420.0 million to $600.0 million and $440.0 million to $630.0 million, respectively. We estimate interest income related to the changes in revenue recognition for fiscal 2017 and fiscal 2018 to be in the range of $19.0 million to $26.0 million and $21.0 million to $29.0 million, respectively. We expect to fully disclose the impacts of the new standard in connection with our Form 10-Q filing for the first quarter of fiscal 2019. In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842). Under the amendment, lessees will be required to recognize virtually all of their leases on the balance sheet, by recording a right-of-use asset and lease liability. The ASU is effective for annual periods, including interim periods within those annual periods, beginning after December 15, 2018. Early adoption is permitted. We are currently evaluating the impact of ASU No. 2016-02 on our consolidated financial statements. In March 2016, the FASB issued ASU No. 2016-09, Compensation - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting. The amendment identifies several areas for simplification applicable to entities that issue share-based payment awards to their employees, including income tax consequences, the option to recognize gross stock compensation expense with actual forfeitures recognized when they occur, and certain classifications on the statements of cash flows. The ASU is effective for annual periods, including interim periods within those annual periods, beginning after December 15, 2016. We adopted ASU No. 2016-09 effective July 1, 2017. As a result of adopting the new standard, excess tax benefits from stock-based compensation are now reflected in the consolidated statements of operations as a component of the provision for income taxes, whereas they were previously a component of stockholders’ deficit. The adoption of ASU No. 2016-09 resulted in a decrease in our provision for income taxes of $3.0 million during fiscal 2018. This represents a decrease in our effective tax rate of approximately one percentage point during fiscal 2018, due to the recognition of excess tax benefits for options exercised and the vesting of equity awards. There was no change as a result of how we account for forfeitures for financial statement reporting purposes. We adopted the cash flow presentation prospectively, and accordingly, excess tax benefits from stock-based compensation of $3.0 million is presented as a cash inflow from operating activity included within the change in income tax payable during fiscal 2018, while $6.0 million and $2.2 million of excess tax benefits from equity-based compensation are presented as a financing activity during fiscal 2017 and 2016, respectively. We prospectively excluded the excess tax benefits from the assumed proceeds available to repurchase shares in the computation of diluted earnings per share under the treasury stock method, which did not have a material impact on our diluted earnings per share during fiscal 2018. In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments - Credit Losses (Topic 326). The amendment changes the impairment model for most financial assets and certain other instruments. Entities will be required to use a model that will result in the earlier recognition of allowances for losses for trade and other receivables, held-to-maturity debt securities, loans, and other instruments. For available-for-sale debt securities with unrealized losses, the losses will be recognized as allowances rather than as reductions in the amortized cost of the securities. The ASU is effective for annual periods, including interim periods within those annual periods, beginning after December 15, 2019. Early adoption is permitted. We are currently evaluating the impact of ASU No. 2016-13 on our consolidated financial statements. In August 2016, the FASB issued ASU No. 2016-15, Statement of Cash Flows (Topic 230). The amendment updates the guidance as to how certain cash receipts and cash payments should be presented and classified, and is intended to reduce the existing diversity in practice. The ASU is effective for annual periods, including interim periods within those annual periods, beginning after December 15, 2017. Early adoption is permitted. We are currently evaluating the impact of ASU No. 2016-15 on our consolidated financial statements. In January 2017, the FASB issued ASU No. 2017-01, Business Combinations (Topic 805) - Clarifying the Definition of a Business. The amendment changes the definition of a business to assist entities in evaluating when a set of transferred assets and activities constitutes a business. The ASU is effective for annual periods, including interim periods within those annual periods, beginning after December 15, 2017. Early adoption is permitted. We do not anticipate the adoption of ASU No. 2017-01 will have a material effect on the consolidated financial statements or related disclosures. In January 2017, the FASB issued ASU No. 2017-04, Intangibles - Goodwill and Other Topics (Topic 350) - Simplifying the Test for Goodwill Impairment. The amendment eliminates Step 2 of the goodwill impairment test and requires goodwill impairment to be measured as the amount by which a reporting unit’s carrying amount exceeds its fair value, not to exceed the carrying amount of its goodwill. The ASU is effective for annual periods, including interim periods within those annual periods, beginning after December 15, 2017. Early adoption is permitted. We early adopted ASU No. 2017-04 during the three months ended December 31, 2017, prior to our annual testing of goodwill impairment. There was no impact on our consolidated financial statements and related disclosures as a result of adopting ASU No. 2017-04. In March 2018, the FASB issued ASU No. 2018-05, Income Taxes (Topic 740) - Amendments to SEC Paragraphs Pursuant to SEC Staff Accounting Bulletin No. 118. The amendment provides guidance on accounting for the impact of the Tax Cuts and Jobs Act (the “Tax Act”) and allows entities to complete the accounting under ASC 740 within a one-year measurement period from the Tax Act enactment date. This standard is effective upon issuance. The Tax Act has several significant changes that impact all taxpayers, including a transition tax, which is a one-time tax charge on accumulated, undistributed foreign earnings. The calculation of accumulated foreign earnings requires an analysis of each foreign entity’s financial results going back to 1986. We are currently estimating that we will not be subject to the transition tax associated with our accumulated, undistributed foreign earnings. We will continue to evaluate this area and expect to finalize our conclusions by the second quarter of fiscal 2019.

Accounts Receivable (Tables)

12 Months Ended

Jun. 30, 2018

Fair Value [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

Our accounts receivable, net of the related allowance for doubtful accounts, were as follows as of June 30, 2018 and 2017:



	Gross		Allowance		Net
	(Dollars in Thousands)
June 30, 2018:
Accounts Receivable	$	24,613	$	2,703	$	21,910

June 30, 2017:
Accounts Receivable	$	28,955	$	1,285	$	27,670

Property and Equipment (Tables)

12 Months Ended

Jun. 30, 2018

Property, Plant and Equipment [Abstract]

Property, equipment and leasehold improvements

Property, equipment and leasehold improvements in the accompanying consolidated balance sheets consist of the following:



	Year Ended June 30,
	2018			2017
	(Dollars in Thousands)
Property, equipment and leasehold improvements, at cost:
Computer equipment	$	8,344		$	8,262
Purchased software	24,225			24,091
Furniture & fixtures	6,850			6,805
Leasehold improvements	12,023			12,025
Property, equipment and leasehold improvements, at cost	51,442			51,183
Accumulated depreciation	(41,636		)	(37,783		)
Property, equipment and leasehold improvements, net	$	9,806		$	13,400

Acquisitions (Tables)

12 Months Ended

Jun. 30, 2018

Business Combinations [Abstract]

Schedule of recognized identified assets acquired and liabilities assumed

A preliminary allocation of the purchase price is as follows. The valuation of the net assets acquired and the deferred tax liabilities are considered preliminary as of June 30, 2018:



	Amount
	(Dollars in Thousands)
Liabilities assumed, net	$	(1,164	)
Identifiable intangible assets:
Technology-related	4,500
Customer relationships	3,800
Goodwill	17,483
Deferred tax liabilities	(1,619		)
Total assets acquired, net	$	23,000

An allocation of the purchase price is as follows:



	Amount
	(Dollars in Thousands)
Tangible assets acquired, net	$	779
Identifiable intangible assets:
Developed technology	11,385
Customer relationships	679
Non-compete agreements	553
Goodwill	25,888
Deferred tax liabilities, net	(2,099		)
Total assets acquired	$	37,185

Intangible Assets (Tables)

12 Months Ended

Jun. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible assets

Intangible assets consist of the following as of June 30, 2018 and 2017:



	Gross Carrying Amount		Accumulated Amortization			Effect of Currency Translation			Net Carrying Amount
	(Dollars in Thousands)
June 30, 2018:
Technology and patents	$	35,898	$	(5,182	)	$	(254	)	$	30,462
Customer relationships	5,181		(377		)	(202		)	4,602
Non-compete agreements	553		(307		)	—			246
Total	$	41,632	$	(5,866	)	$	(456	)	$	35,310
June 30, 2017:
Technology and patents	$	22,350	$	(3,254	)	$	—		$	19,096
Customer relationships	1,432		(169		)	—			1,263
Non-compete agreements	553		(123		)	—			430
Total	$	24,335	$	(3,546	)	$	—		$	20,789

Goodwill (Tables)

12 Months Ended

Jun. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in carrying amount of goodwill by reporting unit

The changes in the carrying amount of goodwill for our subscription and software reporting unit during fiscal years ending June 30, 2018 and 2017 were as follows:



	Gross Carrying Amount		Accumulated Impairment Losses			Effect of Currency Translation			Net Carrying Amount
June 30, 2017:	$	116,833	$	(65,569	)	$	(16	)	$	51,248
Goodwill from acquisitions	25,483		—			—			25,483
Foreign currency translation	—		—			(1,141		)	(1,141		)
June 30, 2018:	$	142,316	$	(65,569	)	$	(1,157	)	$	75,590

	Gross Carrying Amount		Accumulated Impairment Losses			Effect of Currency Translation			Net Carrying Amount
June 30, 2016:	$	89,007	$	(65,569	)	$	—		$	23,438
Goodwill from acquisitions	27,826		—			—			27,826
Foreign currency translation	—		—			(16		)	(16		)
June 30, 2017:	$	116,833	$	(65,569	)	$	(16	)	$	51,248

Accrued Expenses and Other Liabilities (Tables)

12 Months Ended

Jun. 30, 2018

Balance Sheet Related Disclosures [Abstract]

Accrued expenses and other current liabilities

Accrued expenses and other current liabilities in the accompanying consolidated balance sheets consist of the following:



	June 30, 2018		June 30, 2017
	(Dollars in Thousands)
Payroll and payroll-related	$	21,796	$	20,864
Royalties and outside commissions	3,333		2,733
Professional fees	1,695		2,216
Deferred acquisition payments	1,700		8,548
Other	10,991		13,788
Total accrued expenses and other current liabilities	$	39,515	$	48,149

Other non-current liabilities

Other non-current liabilities in the accompanying consolidated balance sheets consist of the following:



	June 30, 2018		June 30, 2017
	(Dollars in Thousands)
Deferred rent	$	6,442	$	6,916
Uncertain tax positions	3,931		3,921
Deferred acquisition payments	4,294		—
Other	3,825		2,311
Total other non-current liabilities	$	18,492	$	13,148

Stock-Based Compensation (Tables)

12 Months Ended

Jun. 30, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Weighted average assumptions

We utilized the Black-Scholes option valuation model with the following weighted average assumptions:



	Year Ended June 30,
	2018		2017		2016
Risk-free interest rate	1.7	%	1.2	%	1.4	%
Expected dividend yield	None		None		None
Expected life (in years)	4.6		4.6		4.6
Expected volatility factor	28	%	31	%	34	%

Stock-based compensation expense

The stock-based compensation expense and its classification in the accompanying consolidated statements of operations for fiscal 2018, 2017 and 2016 was as follows:



	Year Ended June 30,
	2018		2017		2016
	(Dollars in Thousands)
Recorded as expenses:
Cost of service and other	$	1,479	$	1,477	$	1,390
Selling and marketing	3,862		3,652		4,351
Research and development	7,617		5,806		3,423
General and administrative	9,730		7,865		6,563
Total stock-based compensation	$	22,688	$	18,800	$	15,727

Stock options and RSU activity

A summary of stock option and RSU activity under all equity plans in fiscal 2018 is as follows:



	Stock Options							Restricted Stock Units
	Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value (in 000's)		Shares		Weighted Average Grant Date Fair Value
Outstanding at June 30, 2017	1,353,558		$	37.98	7.30	$	23,535	615,998		$	45.62
Granted	421,253		64.30					348,902		64.32
Settled (RSUs)								(307,731	)	49.68
Exercised	(362,515	)	37.05
Cancelled / Forfeited	(42,854	)	50.51					(35,469	)	53.69
Outstanding at June 30, 2018	1,369,442		$	45.93	7.23	$	64,103	621,700		$	53.64
Exercisable at June 30, 2018	778,286		$	38.83	6.20	$	41,960
Vested and expected to vest at June 30, 2018	1,312,546		$	45.47	7.17	$	62,046	561,265		$	53.62

Net Income Per Share Net Income Per Share - Employee Equity Awards Excluded from the Calculation of Dilutive Weighted Average Shares Outstanding (Tables)

12 Months Ended

Jun. 30, 2018

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

average shares outstanding because their effect would be anti-dilutive as of the balance sheet date:



	Year Ended June 30,
	2018	2017	2016
	(Shares in Thousands)
Employee equity awards	419	525	1,028

Net Income Per Share Net Income Per Share - Calculations of Basic and Diluted Net Income per Share and Basic and Dilutive Weighted Average Shares Outstanding (Tables)

12 Months Ended

Jun. 30, 2018

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The calculations of basic and diluted net income per share and basic and dilutive weighted average shares outstanding for the years ended June 30, 2018, 2017 and 2016 are as follows:



	Year Ended June 30,
	2018		2017		2016
	(Dollars and Shares in Thousands, Except per Share Data)
Net income	$	148,688	$	162,196	$	139,951

Weighted average shares outstanding	72,140		76,491		82,892
Dilutive impact from:
Employee equity awards	816		487		417
Dilutive weighted average shares outstanding	72,956		76,978		83,309
Income per share
Basic	$	2.06	$	2.12	$	1.69
Dilutive	$	2.04	$	2.11	$	1.68

Income Taxes (Tables)

12 Months Ended

Jun. 30, 2018

Income Tax Disclosure [Abstract]

Income before provision for income taxes

Income before provision for income taxes consists of the following:



	Year Ended June 30,
	2018		2017		2016
	(Dollars in Thousands)
Domestic	$	195,442	$	202,053	$	201,885
Foreign	7,901		8,293		8,754
Income before provision for income taxes	$	203,343	$	210,346	$	210,639

Provision for income taxes

The provision for income taxes shown in the accompanying consolidated statements of operations is composed of the following:



	Year Ended June 30,
	2018		2017			2016
	(Dollars in Thousands)
Federal—
Current	$	47,734	$	69,385		$	56,535
Deferred	2,468		(22,449		)	7,496
State—
Current	1,471		1,737			1,866
Deferred	419		(1,079		)	204
Foreign—
Current	2,296		2,067			4,554
Deferred	267		(1,511		)	33
	$	54,655	$	48,150		$	70,688

Income tax reconciliation based on federal statutory rate

The provision for income taxes differs from that based on the federal statutory rate due to the following:



	Year Ended June 30,
	2018			2017			2016
	(Dollars in Thousands)
Federal tax provision at statutory rate	$	57,058		$	73,621		$	73,723
State income taxes	1,231			967			1,153
Tax Cuts and Jobs Act	5,162			—			—
Effect of foreign operations	4,700			2,912			3,581
Foreign taxes and rate differences	(164		)	(206		)	(663		)
Stock-based compensation	(2,951		)	991			1,359
Tax credits	(7,912		)	(6,614		)	(3,867		)
Tax contingencies	(185		)	(19,645		)	(581		)
Return to provision adjustments	(487		)	464			658
Domestic Production Activity Deduction	(4,869		)	(6,261		)	(4,892		)
Valuation allowance	2,326			1,522			49
Other	746			399			168
Provision for income taxes	$	54,655		$	48,150		$	70,688

Deferred tax assets and liabilities

Deferred tax assets (liabilities) consist of the following at June 30, 2018 and 2017:



	Year Ended June 30,
	2018			2017
	(Dollars in Thousands)
Deferred tax assets:
Federal and state credits	$	4,363		$	2,553
Capital loss carryforwards	4,856			7,940
Net operating loss carryforwards	1,452			3,028
Deferred revenue	10,990			5,881
Other reserves and accruals	6,550			10,701
Intangible assets	1,015			1,730
Property, leasehold improvements, and other basis differences	1,647			2,470
Other temporary differences	651			971
	31,524			35,274
Deferred tax liabilities:
Deferred revenue	(4,671		)	(44		)
Intangible assets	(5,431		)	(7,017		)
Property, leasehold improvements, and other basis differences	(1,340		)	(2,634		)
	(11,442		)	(9,695		)
Valuation allowance	(10,416		)	(11,259		)
Net deferred tax assets	$	9,666		$	14,320

Reconciliation of reserve for uncertain tax positions

A reconciliation of the reserve for uncertain tax positions is as follows:



	Year Ended June 30,
	2018			2017			2016
	(Dollars in Thousands)
Uncertain tax positions, beginning of year	$	3,921		$	23,535		$	19,870
Gross increases (decreases) —tax positions in prior period	544			(19,116		)	67
Gross increases—tax positions in current period	—			—			5,474
Gross decreases—lapse of statutes	(637		)	(830		)	(1,772		)
Currency translation adjustment	103			332			(104		)
Uncertain tax positions, end of year	$	3,931		$	3,921		$	23,535

Commitments and Contingencies (Tables)

12 Months Ended

Jun. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of future minimum lease payments

Future minimum lease payments under these leases as of June 30, 2018 are as follows:



Year Ended June 30,	Operating Leases
	(Dollars in Thousands)
2019	$	7,938
2020	7,697
2021	6,247
2022	5,356
2023	4,775
Thereafter	6,718
Total	$	38,731

Segment and Geographic Information (Tables)

12 Months Ended

Jun. 30, 2018

Segment Reporting [Abstract]

Summary of reportable segments' profits

The following table presents a summary of our reportable segments' profits:



	Subscription and software			Services			Total
	(Dollars in Thousands)
Year Ended June 30, 2018:
Segment revenue	$	471,041		$	28,473		$	499,514
Segment expenses(1)	(206,381		)	(27,416		)	(233,797		)
Segment profit	$	264,660		$	1,057		$	265,717
Year Ended June 30, 2017:
Segment revenue	$	453,512		$	29,430		$	482,942
Segment expenses(1)	(193,214		)	(26,415		)	(219,629		)
Segment profit	$	260,298		$	3,015		$	263,313
Year Ended June 30, 2016:
Segment revenue	$	440,408		$	31,936		$	472,344
Segment expenses(1)	(179,064		)	(28,235		)	(207,299		)
Segment profit	$	261,344		$	3,701		$	265,045

____________________________________________


(1)	Our reportable segments’ operating expenses include expenses directly attributable to the segments. Segment expenses include selling and marketing, research and development, stock-based compensation and certain corporate expenses incurred in support of the segments. Segment expenses do not include allocations of general and administrative; interest income, net; and other income (expense), net.

Reconciliation of total segment operating profit to income before provision for income taxes

The following table presents a reconciliation of total segment operating profit to income before provision for income taxes:



	Year Ended June 30,
	2018			2017			2016
	(Dollars in Thousands)
Total segment profit for reportable segments	$	265,717		$	263,313		$	265,045
General and administrative	(56,076		)	(51,297		)	(53,664		)
Other (expense) income, net	(838		)	1,309			29
Interest (expense), net	(5,460		)	(2,979		)	(771		)
Income before provision for income taxes	$	203,343		$	210,346		$	210,639

Domestic and international Sales as a Percentage of total revenue



	Year Ended June 30,
	2018		2017		2016
United States	38.0	%	37.9	%	35.4	%
Europe	27.8		28.1		29.6
Other(1)	34.2		34.0		35.0
	100.0	%	100.0	%	100.0	%

____________________________________________


(1)	Other consists primarily of Asia Pacific, Canada, Latin America and the Middle East.

Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Jun. 30, 2018

Quarterly Financial Data [Abstract]

Quarterly consolidated statement of operations data



	Three Months Ended
	June 30, 2018		March 31, 2018		December 31, 2017		September 30, 2017
	(Dollars and Shares in Thousands, Except per Share Data)
Total revenue	$	125,960	$	125,871	$	124,902	$	122,781
Gross profit	112,913		113,095		112,813		110,049
Income from operations	50,706		51,157		54,465		53,313
Net income	38,020		37,835		38,078		34,755
Net income per common share:
Basic	$	0.53	$	0.53	$	0.53	$	0.48
Diluted	$	0.53	$	0.52	$	0.52	$	0.47
Weighted average shares outstanding:
Basic	71,349		71,828		72,342		73,024
Diluted	72,315		72,663		73,036		73,609



	Three Months Ended
	June 30, 2017		March 31, 2017		December 31, 2016		September 30, 2016
	(Dollars and Shares in Thousands, Except per Share Data)
Total revenue	$	123,682	$	119,277	$	119,933	$	120,050
Gross profit	111,568		107,010		108,354		108,544
Income from operations	48,948		52,273		56,065		54,730
Net income	54,352		35,834		37,010		35,000
Net income per common share:
Basic	$	0.73	$	0.47	$	0.48	$	0.44
Diluted	$	0.73	$	0.47	$	0.48	$	0.44
Weighted average shares outstanding:
Basic	74,294		75,676		76,905		79,048
Diluted	74,830		76,182		77,318		79,385

Operations - Narrative (Details)	Jun. 30, 2018 country
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of countries of operations	32

Significant Accounting Policies - Computer Software Development Costs (Details) - Computer Software Development Costs - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Computer Software Development Costs for Internal Use
Maximum period over which amortization of computer software development costs provided on a product-by-product basis using straight-line method	3 years
Computer software cost capitalized	$ 0.4	$ 0.4	$ 0.3
Amortization expense charged to operations	0.4	0.5	$ 0.6
Computer software development accumulated amortization	$ 74.7	$ 74.3
Weighted average remaining useful life of computer software development costs	1 year 18 days	7 months 9 days

Significant Accounting Policies - Foreign Currency Translation (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Foreign Currency Transactions
Net foreign currency transaction and remeasurement gains (losses)	$ (0.8)	$ 0.6	$ (0.1)

Significant Accounting Policies - Concentration of Credit Risk (Details) - customer_receivable_balance	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Concentration of Credit Risk
Number of customer's receivables balance representing a concentration	1	1
Customer One \| Accounts and installments receivable \| Customers concentration risk
Concentration of Credit Risk
Percentage of total receivables	12.00%	18.00%

Significant Accounting Policies - Computer Software Developed For Internal Use (Details) - USD ($) $ in Millions	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Software Development
Computer Software Development Costs for Internal Use
Capitalized costs for computer software developed for internal use, net	$ 0.0	$ 0.0	$ 0.0

Significant Accounting Policies - Comprehensive Income (Details) - USD ($) $ in Millions	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Comprehensive Income
Foreign translation adjustments	$ 1.4	$ 1.5	$ 2.7
Maximum
Comprehensive Income
Net unrealized gains (losses) on available for sale securities		$ 0.1	$ (0.1)

Significant Accounting Policies - Advertising Costs & Research and Development Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Advertising expenses
Advertising expenses	$ 3.2	$ 3.2	$ 2.3
Research and Development Expense
Technology acquired		$ 2.3	$ 0.3

Significant Accounting Policies Significant Accounting Policies - Recently Issued Accounting Pronouncements (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total revenue	$ 125,960	$ 125,871	$ 124,902	$ 122,781	$ 123,682	$ 119,277	$ 119,933	$ 120,050	$ 499,514	$ 482,942	$ 472,344
Interest and Other Income									231	808	441
Excess Tax Benefit from Share-based Compensation, Operating Activities									0	5,965	2,208
Accounting Standards Update 2016-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Excess Tax Benefit from Share-based Compensation, Operating Activities									3,000
Increase (Decrease) in Income Taxes									$ (3,000)
EffectiveIncomeTaxRateReconciliationChangeInTaxRateDueToExcessTaxBenefitsRecognizedFromShareBasedCompensation									(1.00%)
Minimum [Member] \| Accounting Standards Update 2014-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total revenue									$ 440,000	420,000
Interest and Other Income									21,000	19,000
Maximum [Member] \| Accounting Standards Update 2014-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total revenue									630,000	600,000
Interest and Other Income									$ 29,000	$ 26,000
Deferred Revenue and Interest [Member] \| Minimum [Member] \| Accounting Standards Update 2014-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets											150,000
Deferred Revenue and Interest [Member] \| Maximum [Member] \| Accounting Standards Update 2014-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets											220,000
Retained Earnings [Member] \| Minimum [Member] \| Accounting Standards Update 2014-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets											781,000
Retained Earnings [Member] \| Maximum [Member] \| Accounting Standards Update 2014-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets											1,072,000
Unbilled Contract Asset [Member] \| Minimum [Member] \| Accounting Standards Update 2014-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets											660,000
Unbilled Contract Asset [Member] \| Maximum [Member] \| Accounting Standards Update 2014-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets											900,000
Difference between Deferred Commission Expense before and after Topic 606 [Member] \| Minimum [Member] \| Accounting Standards Update 2014-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets											16,000
Difference between Deferred Commission Expense before and after Topic 606 [Member] \| Maximum [Member] \| Accounting Standards Update 2014-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets											22,000
Difference between Interest Income before and after Topic 606 [Member] \| Retained Earnings [Member] \| Minimum [Member] \| Accounting Standards Update 2014-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets											95,000
Difference between Interest Income before and after Topic 606 [Member] \| Retained Earnings [Member] \| Maximum [Member] \| Accounting Standards Update 2014-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets											130,000
Difference between Revenue Guidance in Effect before and after Topic 606 [Member] \| Retained Earnings [Member] \| Minimum [Member] \| Accounting Standards Update 2014-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets											670,000
Difference between Revenue Guidance in Effect before and after Topic 606 [Member] \| Retained Earnings [Member] \| Maximum [Member] \| Accounting Standards Update 2014-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets											920,000
Difference between Deferred Commission Expense before and after Topic 606 [Member] \| Retained Earnings [Member] \| Minimum [Member] \| Accounting Standards Update 2014-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets											16,000
Difference between Deferred Commission Expense before and after Topic 606 [Member] \| Retained Earnings [Member] \| Maximum [Member] \| Accounting Standards Update 2014-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets											$ 22,000

Significant Accounting Policies Significant Accounting Policies - Other Licensing Matters (Details) - claims	Jun. 30, 2018	Jun. 30, 2017
Significant Accounting Policies - Other Licensing Matters [Abstract]
Software Licensing, Indemnification Obligations, Number of Claims Outstanding	0	0

Fair Value (Details) - USD ($) $ in Millions	Jun. 30, 2018	Jun. 30, 2017
Fair Value, Inputs, Level 1 [Member]
Cash and Cash Equivalents, Fair Value Disclosure	$ 5.0	$ 79.7

Accounts Receivable (Details) - USD ($) $ in Thousands	12 Months Ended
Accounts Receivable (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Jun. 30, 2017
Fair Value [Abstract]
Accounts Receivable, Gross, Current	$ 24,613	$ 28,955
Allowance for Doubtful Accounts Receivable, Current	2,703	1,285
Accounts Receivable, Net, Current	$ 21,910	$ 27,670
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| Customer One [Member]
Percentage of total receivables	12.00%	18.00%

Property and Equipment - Property, Equipment and Leasehold Improvements (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Jun. 30, 2017
Property, Plant and Equipment [Line Items]
Property, equipment and leasehold improvements-at cost	$ 51,442	$ 51,183
Accumulated depreciation	(41,636)	(37,783)
Property, equipment and leasehold improvements-net	9,806	13,400
Computer equipment
Property, Plant and Equipment [Line Items]
Property, equipment and leasehold improvements-at cost	8,344	8,262
Purchased software
Property, Plant and Equipment [Line Items]
Property, equipment and leasehold improvements-at cost	24,225	24,091
Furniture & fixtures
Property, Plant and Equipment [Line Items]
Property, equipment and leasehold improvements-at cost	6,850	6,805
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, equipment and leasehold improvements-at cost	$ 12,023	$ 12,025

Property and Equipment - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Property, Plant and Equipment [Abstract]
Fully depreciated property, equipment and leasehold improvements written-off, gross book value	$ 0.1
Depreciation	3.9	$ 5.0	$ 5.1
Asset retirement obligation	$ 0.9	$ 0.9

Property and Equipment - Estimate Useful Lives of Property and Equipment (Details)	12 Months Ended
	Jun. 30, 2018
Purchased software \| Minimum
Property and Equipment
Estimated Useful Life	3 years
Purchased software \| Maximum
Property and Equipment
Estimated Useful Life	5 years
Furniture & fixtures \| Minimum
Property and Equipment
Estimated Useful Life	3 years
Furniture & fixtures \| Maximum
Property and Equipment
Estimated Useful Life	10 years

Acquisitions - Narrative (Details) - USD ($) $ in Thousands			1 Months Ended		12 Months Ended
Acquisitions - Narrative (Details) - USD ($) $ in Thousands	Feb. 05, 2018	Oct. 26, 2016	Mar. 31, 2018	Dec. 31, 2017	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Acquisition
Net foreign currency transaction and remeasurement losses					$ 800	$ (600)	$ 100
Payments for business acquisitions, net of cash acquired					8,649	0	$ 0
Goodwill					75,590	$ 51,248
Acquisition of Technology [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred			$ 5,000
Acquisition
Payments for business acquisitions, net of cash acquired			$ 4,500
Future contingent consideration payment					500
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles					1,000
Goodwill					$ 4,000
Mtelligence Corporation [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred		$ 37,400
Acquisition
Payments for business acquisitions, net of cash acquired		31,900
Future contingent consideration payment		5,500
Weighted average discount rate (as a percent)					19.00%
Effective tax rate (as a percent)					34.00%
Business Combination, Contingent Consideration, Liability		$ 5,300
Goodwill					$ 25,888
Apex Optimisation [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred	$ 23,000
Acquisition
Payments for business acquisitions, net of cash acquired	$ 18,400
Future contingent consideration payment					$ 4,600
Weighted average discount rate (as a percent)					28.00%
Effective tax rate (as a percent)					21.00%
Goodwill					$ 17,483
RtTech Software, Inc. [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred				$ 12,000
Acquisition
Payments for business acquisitions, net of cash acquired				$ 10,800
Future contingent consideration payment					1,200
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles					8,000
Goodwill					$ 4,000
Developed technology \| Acquisition of Technology [Member]
Acquisition
Finite-lived intangible asset, useful life					3 years
Developed technology \| Mtelligence Corporation [Member]
Acquisition
Finite-lived intangible asset, useful life					12 years
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles					$ 11,385
Developed technology \| Apex Optimisation [Member]
Acquisition
Finite-lived intangible asset, useful life					7 years
Developed technology \| RtTech Software, Inc. [Member]
Acquisition
Finite-lived intangible asset, useful life					7 years
Customer relationships \| Mtelligence Corporation [Member]
Acquisition
Finite-lived intangible asset, useful life					6 years
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles					$ 679
Customer relationships \| Apex Optimisation [Member]
Acquisition
Finite-lived intangible asset, useful life					7 years
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles					$ 3,800
Noncompete Agreements [Member] \| Mtelligence Corporation [Member]
Acquisition
Finite-lived intangible asset, useful life					3 years
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles					$ 553

Acquisitions - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands			12 Months Ended
	Feb. 05, 2018	Oct. 26, 2016	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross			$ 8,649	$ 0	$ 0
Goodwill			75,590	$ 51,248
Apex Optimisation [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross	$ 18,400
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High			4,600
Tangible assets acquired (liabilities assumed), net			(1,164)
Goodwill			17,483
Deferred tax liabilities, net			(1,619)
Total assets acquired			23,000
Apex Optimisation [Member] \| Developed technology
Business Acquisition [Line Items]
Finite-lived intangible assets acquired			$ 4,500
Apex Optimisation [Member] \| Customer relationships
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life			7 years
Finite-lived intangible assets acquired			$ 3,800
Mtelligence Corporation [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross		$ 31,900
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High		$ 5,500
Tangible assets acquired (liabilities assumed), net			779
Goodwill			25,888
Deferred tax liabilities, net			(2,099)
Total assets acquired			$ 37,185
Mtelligence Corporation [Member] \| Customer relationships
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life			6 years
Finite-lived intangible assets acquired			$ 679
Mtelligence Corporation [Member] \| Noncompete Agreements [Member]
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life			3 years
Finite-lived intangible assets acquired			$ 553

Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 41,632	$ 24,335
Accumulated Amortization	(5,866)	(3,546)
Effect of Currency Translation	(456)	0
Net Carrying Amount	35,310	20,789
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	5,181	1,432
Accumulated Amortization	(377)	(169)
Effect of Currency Translation	(202)	0
Net Carrying Amount	4,602	1,263
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	553	553
Accumulated Amortization	(307)	(123)
Effect of Currency Translation	0	0
Net Carrying Amount	246	430
Technology and patents
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	35,898	22,350
Accumulated Amortization	(5,182)	(3,254)
Effect of Currency Translation	(254)	0
Net Carrying Amount	$ 30,462	$ 19,096

Intangible Assets - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract]
Intangible asset amortization expense	$ 2.2	$ 1.0	$ 0.1
Amortization expense - 2019	4.6
Amortization expense - 2020	4.7
Amortization expense - 2021	4.8
Amortization expense - 2022	4.7
Amortization expense - 2023	4.6
Amortization expense - Thereafter	$ 11.9

Goodwill - Schedule of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Goodwill:
Goodwill	$ 75,590	$ 51,248
Subscription and software
Goodwill:
Goodwill, gross, beginning balance	116,833	89,007
Accumulated impairment losses, beginning balance	(65,569)	(65,569)
Goodwill	75,590	51,248	$ 23,438
Acquisition	25,483	27,826
Effect of currency translation	(1,157)	(16)
Goodwill, gross, ending balance	142,316	116,833
Accumulated impairment losses, ending balance	(65,569)	(65,569)
Mtelligence Corporation [Member]
Goodwill:
Goodwill	25,888
Goodwill Foreign Currency Translation Gain Loss [Member] \| Subscription and software
Goodwill:
Effect of currency translation	$ (1,141)	$ (16)

Goodwill - Narrative (Details)	12 Months Ended
Goodwill - Narrative (Details)	Jun. 30, 2018 USD ($) triggering_event	Jun. 30, 2017 triggering_event	Jun. 30, 2016 triggering_event
Goodwill and Intangible Assets Disclosure [Abstract]
Impairment loss recognized \| $	$ 0
Number of triggering events indicating goodwill impairment occurred \| triggering_event	0	0	0

Accrued Expenses and Other Liabilities - Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Jun. 30, 2017
Accrued expenses and other current liabilities
Payroll and payroll-related	$ 21,796	$ 20,864
Royalties and outside commissions	3,333	2,733
Professional fees	1,695	2,216
Deferred acquisition payments	1,700	8,548
Other	10,991	13,788
Total accrued expenses and other current liabilities	$ 39,515	$ 48,149

Accrued Expenses and Other Liabilities - Other Non-Current Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Jun. 30, 2017
Other non-current liabilities
Deferred rent	$ 6,442	$ 6,916
Uncertain tax positions	3,931	3,921
Deferred acquisition payments	4,294	0
Other	3,825	2,311
Total other non-current liabilities	$ 18,492	$ 13,148

Credit Agreement - Narrative (Details)	Feb. 26, 2016 USD ($)	Jun. 30, 2018 USD ($)	Aug. 09, 2017 USD ($)	Jun. 30, 2017 USD ($)
Line of Credit Facility [Line Items]
Borrowings under credit agreement		$ 170,000,000		$ 140,000,000
Credit Agreement \| Line of Credit
Line of Credit Facility [Line Items]
Principal amount	$ 250,000,000.0		$ 350,000,000.0
Margin rate (as a percent)	0.50%
Maximum leverage ratio		3.0
Minimum interest coverage ratio		3.0
Federal Funds Effective Rate \| Credit Agreement \| Line of Credit
Line of Credit Facility [Line Items]
Variable rate spread (as a percent)	0.50%
Adjusted LIBOR \| Credit Agreement \| Line of Credit
Line of Credit Facility [Line Items]
Variable rate spread (as a percent)	1.00%
Margin rate (as a percent)	1.50%
Minimum \| Credit Agreement \| Line of Credit
Line of Credit Facility [Line Items]
Commitment fee percentage (as a percent)	0.20%
Maximum \| Credit Agreement \| Line of Credit
Line of Credit Facility [Line Items]
Commitment fee percentage (as a percent)	0.30%
Outstanding Borrowing 1 [Member] \| Credit Agreement \| Line of Credit
Line of Credit Facility [Line Items]
Borrowings under credit agreement		$ 159,000,000
Effective interest rate (as a percent)		3.60%
Outstanding Borrowing 2 [Member] \| Credit Agreement \| Line of Credit
Line of Credit Facility [Line Items]
Borrowings under credit agreement		$ 11,000,000
Effective interest rate (as a percent)		3.55%

Stock-Based Compensation - Stock Compensation Plans and General Award Terms (Details) - shares	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2016	Apr. 30, 2010
Stock-based compensation, additional disclosures
Common stock reserved for future issuance or settlement (in shares)	10,200,000
2016 Plan
Stock-based compensation, additional disclosures
Maximum number of shares authorized (in shares)		6,000,000
Common stock reserved for future issuance or settlement (in shares)	6,000,000
2010 Plan
Stock-based compensation, additional disclosures
Maximum number of shares authorized (in shares)			7,000,000
Common stock reserved for future issuance or settlement (in shares)	2,170,674
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	2 years 6 months
General award terms
Award vesting period	4 years
Stock Options \| Minimum
General award terms
Contractual terms	7 years
Stock Options \| Maximum
General award terms
Contractual terms	10 years
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	2 years 5 months 24 days
General award terms
Award vesting period	4 years

Stock-Based Compensation - Stock-Based Compensation Accounting (Details) - Stock Options - $ / shares	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Weighted average assumptions
Weighted average fair value (in dollars per share)	$ 17.07	$ 13.16	$ 13.16
Risk-free interest rate (as a percent)	1.70%	1.20%	1.40%
Expected dividend yield (as a percent)	0.00%	0.00%	0.00%
Expected life (in years)	4 years 7 months 6 days	4 years 7 months 6 days	4 years 7 months 6 days
Expected volatility factor (as a percent)	28.00%	31.00%	34.00%

Stock-Based Compensation - Stock Based Compensation Expense and its Classification in the Consolidated Statement of Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Recorded as expenses:
Total stock-based compensation	$ 22,688	$ 18,800	$ 15,727
Cost of services and other
Recorded as expenses:
Total stock-based compensation	1,479	1,477	1,390
Selling and marketing
Recorded as expenses:
Total stock-based compensation	3,862	3,652	4,351
Research and development
Recorded as expenses:
Total stock-based compensation	7,617	5,806	3,423
General and administrative
Recorded as expenses:
Total stock-based compensation	$ 9,730	$ 7,865	$ 6,563

Stock-Based Compensation - Stock Option Activity (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2018 USD ($) $ / shares shares	Jun. 30, 2017 USD ($) $ / shares shares	Jun. 30, 2016 $ / shares
Stock Options
Stock options activity
Outstanding, beginning of period (in shares) \| shares	1,353,558
Granted (in shares) \| shares	421,253
Exercised (in shares) \| shares	(362,515)
Cancelled / Forfeited (in shares) \| shares	(42,854)
Outstanding, end of period (in shares) \| shares	1,369,442	1,353,558
Vested and exercisable, end of period (in shares) \| shares	778,286
Vested and expected to vest, end of period (in shares) \| shares	1,312,546
Weighted Average Exercise Price
Outstanding, beginning of period (in dollars per share) \| $ / shares	$ 37.98
Granted (in dollars per share) \| $ / shares	64.30	$ 46.31	$ 42.66
Exercised (in dollars per share) \| $ / shares	37.05
Cancelled / Forfeited (in dollars per share) \| $ / shares	50.51
Outstanding, end of period (in dollars per share) \| $ / shares	45.93	$ 37.98
Vested and exercisable, end of period (in dollars per share) \| $ / shares	38.83
Vested and expected to vest, end of period (in dollars per share) \| $ / shares	$ 45.47
Weighted Average Remaining Contractual Term
Outstanding, end of period	7 years 2 months 23 days	7 years 3 months 20 days
Vested and exercisable, end of period	6 years 2 months 13 days
Vested and expected to vest, end of period	7 years 2 months 2 days
Aggregate Intrinsic Value
Outstanding, beginning of period \| $	$ 23,535
Outstanding, end of period \| $	64,103	$ 23,535
Vested and exercisable, end of period \| $	41,960
Vested and expected to vest, end of period \| $	$ 62,046
Restricted Stock Units
Restricted stock units activity
Outstanding, beginning of period (in shares) \| shares	615,998
Granted (in shares) \| shares	348,902
Settled (in shares) \| shares	(307,731)
Cancelled / Forfeited (in shares) \| shares	(35,469)
Outstanding, end of period (in shares) \| shares	621,700	615,998
Vested and expected to vest (in shares) \| shares	561,265
Weighted Average Grant Date Fair Value
Outstanding, beginning of period (in dollars per share) \| $ / shares	$ 45.62
Granted (in dollars per share) \| $ / shares	64.32	$ 46.59	$ 41.86
Settled (RSUs) (in dollars per share) \| $ / shares	49.68
Cancelled / Forfeited (in dollars per share) \| $ / shares	53.69
Outstanding, end of period (in dollars per share) \| $ / shares	$ 53.64	$ 45.62
Vested and expected to vest, end of period (in dollars per share) \| $ / shares	53.62

Stock-Based Compensation - Additional Disclosures (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise of stock options	$ 13,466	$ 9,273	$ 3,924
Payments related to tax withholding	$ 7,896	$ 5,764	$ 4,480
Common stock reserved for future issuance or settlement (in shares)	10,200,000
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in dollars per share)	$ 64.32	$ 46.59	$ 41.86
Total fair value of shares vested from RSU grants	$ 23,000	$ 16,600	$ 12,700
Total unrecognized compensation cost	$ 26,600
Total unrecognized compensation cost, period of recognition	2 years 5 months 24 days
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation cost	$ 8,000
Total unrecognized compensation cost, period of recognition	2 years 6 months
Granted (in dollars per share)	$ 64.30	$ 46.31	$ 42.66
Total intrinsic value of options exercised	$ 15,100	$ 7,900	$ 4,100
Exercise of stock options	13,500	9,300	3,900
Payments related to tax withholding	$ 8,100	$ 5,800	$ 4,400
2010 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock reserved for future issuance or settlement (in shares)	2,170,674

Common Stock - Narrative (Details) - USD ($)	12 Months Ended
Common Stock - Narrative (Details) - USD ($)	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016	Apr. 18, 2018	Jun. 08, 2017	Apr. 26, 2016	Jan. 22, 2015
Common Stock
Approved stock repurchase program, authorized amount				$ 200,000,000	$ 200,000,000	$ 400,000,000	$ 450,000,000
Repurchase of common stock (in shares)	2,797,623	5,185,257	4,750,692
Repurchase of common stock, amount	$ 200,000,000	$ 375,000,000	$ 180,066,000
Remaining capacity under the stock repurchase program	346,300,000
Accelerated Share Repurchase Program [Member]
Common Stock
Repurchase of common stock (in shares)		2,106,709
Repurchase of common stock, amount		$ 100,000,000
Open Market Transaction [Member]
Common Stock
Repurchase of common stock, amount	$ 200,000,000	$ 275,000,000

Net Income Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Treasury Stock, Value, Acquired, Cost Method									$ 200,000	$ 375,000	$ 180,066
Net Income (Loss) Attributable to Parent	$ 38,020	$ 37,835	$ 38,078	$ 34,755	$ 54,352	$ 35,834	$ 37,010	$ 35,000	$ 148,688	$ 162,196	$ 139,951
Weighted Average Number of Shares Outstanding, Basic	71,349,000	71,828,000	72,342,000	73,024,000	74,294,000	75,676,000	76,905,000	79,048,000	72,140,000	76,491,000	82,892,000
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements									816,000	487,000	417,000
Weighted Average Number of Shares Outstanding, Diluted	72,315,000	72,663,000	73,036,000	73,609,000	74,830,000	76,182,000	77,318,000	79,385,000	72,956,000	76,978,000	83,309,000
Earnings Per Share, Basic	$ 0.53	$ 0.53	$ 0.53	$ 0.48	$ 0.73	$ 0.47	$ 0.48	$ 0.44	$ 2.06	$ 2.12	$ 1.69
Earnings Per Share, Diluted	$ 0.53	$ 0.52	$ 0.52	$ 0.47	$ 0.73	$ 0.47	$ 0.48	$ 0.44	$ 2.04	$ 2.11	$ 1.68
Employee Stock Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount									32,609
Stock Compensation Plan [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount									419,000	525,000	1,028,000
Employee Stock Option [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit									$ 75.74
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit									$ 93.59
Accelerated Share Repurchase Program [Member]
Treasury Stock, Value, Acquired, Cost Method										$ 100,000

Income Taxes - Income (Loss) before Provision For (Benefit From) Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Income (loss) before provision for income taxes
Domestic	$ 195,442	$ 202,053	$ 201,885
Foreign	7,901	8,293	8,754
Income before provision for income taxes	203,343	210,346	210,639
Federal
Current	47,734	69,385	56,535
Deferred	2,468	(22,449)	7,496
State
Current	1,471	1,737	1,866
Deferred	419	(1,079)	204
Foreign
Current	2,296	2,067	4,554
Deferred	267	(1,511)	33
Provision for income taxes	$ 54,655	$ 48,150	$ 70,688

Income Taxes - Provision For (Benefit From) Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Income Tax Reconciliation
Federal tax provision at statutory rate	$ 57,058	$ 73,621	$ 73,723
State income taxes	1,231	967	1,153
Tax Cuts and Jobs Act	5,162	0	0
Effect of foreign operations	4,700	2,912	3,581
Foreign taxes and rate differences	(164)	(206)	(663)
Stock-based compensation	(2,951)	991	1,359
Tax credits	(7,912)	(6,614)	(3,867)
Tax contingencies	(185)	(19,645)	(581)
Return to provision adjustments	(487)	464	658
Domestic Production Activity Deduction	(4,869)	(6,261)	(4,892)
Valuation allowance	2,326	1,522	49
Other	746	399	168
Provision for income taxes	$ 54,655	$ 48,150	$ 70,688

Income Taxes - Deferred Tax Assets (Liabilities) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Jun. 30, 2017
Deferred tax assets:
Federal and state credits	$ 4,363	$ 2,553
Capital loss carryforwards	4,856	7,940
Net operating loss carryforwards	1,452	3,028
Deferred revenue	10,990	5,881
Other reserves and accruals	6,550	10,701
Intangible assets	1,015	1,730
Property, leasehold improvements, and other basis differences	1,647	2,470
Other temporary differences	651	971
Deferred tax assets, total	31,524	35,274
Deferred tax liabilities:
Deferred revenue	(4,671)	(44)
Intangible assets	(5,431)	(7,017)
Property, leasehold improvements, and other basis differences	(1,340)	(2,634)
Deferred tax liabilities, total	(11,442)	(9,695)
Valuation allowance	10,416	11,259
Net deferred tax assets	$ 9,666	$ 14,320

Income Taxes - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended		12 Months Ended
Income Taxes - Narrative (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Tax Credit Carryforward
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent		21.00%	35.00%	28.10%
Reduction in income taxes payable
Reduction in income taxes payable					$ 5,965	$ 2,208
Deferred tax asset valuation allowance
Deferred tax asset valuation allowance	$ (10,416)	$ (10,416)		$ (10,416)	$ (11,259)
Unrecognized tax benefits that if recognized would reduce the effective tax rate	3,900	3,900		3,900
Accrued interest	400	400		400
Accrued penalties related to uncertain tax positions	200	200		200
Benefit for interest and penalties				100
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities	19,200
Foreign
Tax Credit Carryforward
Net operating loss carryforwards	1,500	1,500		1,500
Research and development tax credit carryforward \| State and Local Jurisdiction [Member]
Tax Credit Carryforward
Tax credit carryforward	4,000	4,000		4,000
Research and development tax credit carryforward \| State and Local Jurisdiction [Member]
Tax Credit Carryforward
Tax credit carryforward	4,300	4,300		4,300
Foreign tax credit carryforwards \| Domestic \| U.S. Federal
Tax Credit Carryforward
Tax credit carryforward	$ 4,900	$ 4,900		4,900
Interest Expense [Member]
Tax Credit Carryforward
Effective Income Tax Rate Reconciliation, Deduction, Percent		30.00%
Net Operating Loss [Member]
Tax Credit Carryforward
Effective Income Tax Rate Reconciliation, Deduction, Percent		80.00%
Accounting Standards Update 2016-09 [Member]
Tax Credit Carryforward
Increase (Decrease) in Income Taxes				$ (3,000)
EffectiveIncomeTaxRateReconciliationChangeInTaxRateDueToExcessTaxBenefitsRecognizedFromShareBasedCompensation				(1.00%)

Income Taxes - Reconciliation of the Reserve For Uncertain Tax Positions (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Reconciliation of the reserve for uncertain tax positions
Uncertain tax positions, beginning of year	$ 3,921	$ 23,535	$ 19,870
Gross (decreases) increases - tax positions in prior period	544	(19,116)	67
Gross increases—tax positions in current period	0	0	5,474
Gross decreases—lapse of statutes	(637)	(830)	(1,772)
Currency translation adjustment	103	332	(104)
Uncertain tax positions, end of year	$ 3,931	$ 3,921	$ 23,535

Commitments and Contingencies - Future Minimum Lease Payments (Details) $ in Thousands	Jun. 30, 2018 USD ($)
Gross Payments
2019	$ 7,938
2020	7,697
2021	6,247
2022	5,356
2023	4,775
Thereafter	6,718
Total	$ 38,731

Commitments and Contingencies - Narrative (Details) € in Millions, $ in Millions	1 Months Ended		12 Months Ended
	Dec. 31, 2017 EUR (€)	Mar. 31, 2014 EUR (€)	Jun. 30, 2018 USD ($) triggering_event	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 EUR (€)
Leases, Operating [Abstract]
Rent expense \| $			$ 8.2	$ 8.4	$ 8.3
Standby letters of credit \| $			$ 3.5
Legal Matters
Matters that might have a material adverse effect on financial position, results of operations or cash flows \| triggering_event			0
Customer Claim
Legal Matters
Judgment issued	€ 3.5	€ 1.9
Damages, plus interest, with the possibility of additional damages to be determined						€ 1.7
Costs and Legal Fees [Member] \| Customer Claim
Legal Matters
Judgment issued	€ 0.2

Retirement Plans - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Defined Contribution Plan [Abstract]
Employer matching contributions (as a percent)	50.00%
Maximum employee's pretax contribution that can be matched (as a percent)	6.00%
Employer matching contributions	$ 2.7	$ 2.5	$ 2.4

Segment and Geographic Information - Narrative (Details) $ in Millions	12 Months Ended
	Jun. 30, 2018 USD ($) segments	Jun. 30, 2017 USD ($)
Geographic Information
Number of operating segments \| segments	2
Number of reportable segments \| segments	2
United States
Geographic Information
Long-lived assets \| $	$ 93.9	$ 71.9
Other geographic locations
Geographic Information
Long-lived assets \| $	$ 39.8	$ 15.5

Segment and Geographic Information - Summary of Segments' Profits (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Summary of operating segments
Segment revenue	$ 125,960	$ 125,871	$ 124,902	$ 122,781	$ 123,682	$ 119,277	$ 119,933	$ 120,050	$ 499,514	$ 482,942	$ 472,344
Income from operations	$ 50,706	$ 51,157	$ 54,465	$ 53,313	$ 48,948	$ 52,273	$ 56,065	$ 54,730	209,641	212,016	211,381
Operating Segments
Summary of operating segments
Segment revenue									499,514	482,942	472,344
Segment expenses									(233,797)	(219,629)	(207,299)
Income from operations									265,717	263,313	265,045
Operating Segments \| Subscription and software
Summary of operating segments
Segment revenue									471,041	453,512	440,408
Segment expenses									(206,381)	(193,214)	(179,064)
Income from operations									264,660	260,298	261,344
Operating Segments \| Services
Summary of operating segments
Segment revenue									28,473	29,430	31,936
Segment expenses									(27,416)	(26,415)	(28,235)
Income from operations									$ 1,057	$ 3,015	$ 3,701

Segment and Geographic Information - Reconciliation of Total Segment Operating Profit (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Reconciliation to Income Before Income Taxes
Income from operations	$ 50,706	$ 51,157	$ 54,465	$ 53,313	$ 48,948	$ 52,273	$ 56,065	$ 54,730	$ 209,641	$ 212,016	$ 211,381
General and administrative									(56,076)	(51,297)	(53,664)
Other income (expense), net									(838)	1,309	29
Income before provision for income taxes									203,343	210,346	210,639
Operating Segments
Reconciliation to Income Before Income Taxes
Income from operations									265,717	263,313	265,045
Segment Reconciling Items
Reconciliation to Income Before Income Taxes
General and administrative									(56,076)	(51,297)	(53,664)
Other income (expense), net									(838)	1,309	29
Interest (expense), net									$ (5,460)	$ (2,979)	$ (771)

Segment and Geographic Information - Domestic and International Sales as a Percentage of Total Revenue (Details) - Geographic concentration risk - Revenue	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Geographic Information
Sales as a percentage of total revenue	100.00%	100.00%	100.00%
United States
Geographic Information
Sales as a percentage of total revenue	38.00%	37.90%	35.40%
Europe
Geographic Information
Sales as a percentage of total revenue	27.80%	28.10%	29.60%
Other
Geographic Information
Sales as a percentage of total revenue	34.20%	34.00%	35.00%

Quarterly Financial Data (Unaudited) - (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Total revenue	$ 125,960	$ 125,871	$ 124,902	$ 122,781	$ 123,682	$ 119,277	$ 119,933	$ 120,050	$ 499,514	$ 482,942	$ 472,344
Gross profit	112,913	113,095	112,813	110,049	111,568	107,010	108,354	108,544	448,870	435,476	423,733
Income from operations	50,706	51,157	54,465	53,313	48,948	52,273	56,065	54,730	209,641	212,016	211,381
Net income	$ 38,020	$ 37,835	$ 38,078	$ 34,755	$ 54,352	$ 35,834	$ 37,010	$ 35,000	$ 148,688	$ 162,196	$ 139,951
Net income per common share:
Basic (in dollars per share)	$ 0.53	$ 0.53	$ 0.53	$ 0.48	$ 0.73	$ 0.47	$ 0.48	$ 0.44	$ 2.06	$ 2.12	$ 1.69
Diluted (in dollars per share)	$ 0.53	$ 0.52	$ 0.52	$ 0.47	$ 0.73	$ 0.47	$ 0.48	$ 0.44	$ 2.04	$ 2.11	$ 1.68
Weighted average shares outstanding:
Basic (in shares)	71,349	71,828	72,342	73,024	74,294	75,676	76,905	79,048	72,140	76,491	82,892
Diluted (in shares)	72,315	72,663	73,036	73,609	74,830	76,182	77,318	79,385	72,956	76,978	83,309