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Joint Venture - Changes in Total Stockholders' Equity (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended | 24 Months Ended | 89 Months Ended
--- | --- | --- | --- | --- | ---
Mar. 31, 2018 | Mar. 31, 2018 | Mar. 31, 2017 | Mar. 31, 2018 | Mar. 31, 2017 | Mar. 31, 2018 | Mar. 31, 2018
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Balance, June 30, 2017 |  |  |  | $ 298,549 |  |  |
Exercise of common stock options and release of RSUs |  |  |  | 1,352 |  |  |
Reissuance of treasury stock upon exercise of common stock options and release of RSUs |  |  |  | (91) |  |  |
Withholding tax on restricted stock units |  |  |  | (2,248) |  |  |
Issuance of shares under ESPP |  |  |  | 1,439 |  |  |
Repurchase of common shares under shares repurchase program |  |  |  | (12,016) |  |  | $ (62,800)
Stock-based compensation expense |  |  |  | 8,477 |  |  |
Net income (loss) |  | $ (488) | $ 2,386 | 7,973 | $ 6,473 |  |
Net loss attributable to noncontrolling interest |  | (2,139) | $ (1,170) | (5,269) | (3,237) |  |
Cumulative translation adjustment |  |  |  | 9,246 |  |  |
Contributions from noncontrolling interest |  |  |  | 128,994 | $ 33,000 |  |
Balance, March 31, 2018 | $ 436,195 | 436,195 |  | 436,195 |  | $ 436,195 | 436,195
Accounting Standards Update 2016-16 |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Deferred tax asset related to ASU 2016-16 adoption |  |  |  | (5,480) |  |  |
Parent |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Balance, June 30, 2017 |  |  |  | 270,770 |  |  |
Exercise of common stock options and release of RSUs |  |  |  | 1,352 |  |  |
Reissuance of treasury stock upon exercise of common stock options and release of RSUs |  |  |  | (91) |  |  |
Withholding tax on restricted stock units |  |  |  | (2,248) |  |  |
Issuance of shares under ESPP |  |  |  | 1,439 |  |  |
Repurchase of common shares under shares repurchase program |  |  |  | (12,016) |  |  |
Stock-based compensation expense |  |  |  | 8,477 |  |  |
Net income (loss) |  |  |  | 13,242 |  |  |
Cumulative translation adjustment |  |  |  | 4,848 |  |  |
Contributions from noncontrolling interest |  |  |  | 0 |  |  |
Balance, March 31, 2018 | 280,293 | 280,293 |  | 280,293 |  | 280,293 | 280,293
Parent | Accounting Standards Update 2016-16 |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Deferred tax asset related to ASU 2016-16 adoption |  |  |  | (5,480) |  |  |
Noncontrolling Interest |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Balance, June 30, 2017 |  |  |  | 27,779 |  |  |
Exercise of common stock options and release of RSUs |  |  |  | 0 |  |  |
Reissuance of treasury stock upon exercise of common stock options and release of RSUs |  |  |  | 0 |  |  |
Withholding tax on restricted stock units |  |  |  | 0 |  |  |
Issuance of shares under ESPP |  |  |  | 0 |  |  |
Repurchase of common shares under shares repurchase program |  |  |  | 0 |  |  |
Stock-based compensation expense |  |  |  | 0 |  |  |
Net loss attributable to noncontrolling interest |  |  |  | (5,269) |  |  |
Cumulative translation adjustment |  |  |  | 4,398 |  |  |
Contributions from noncontrolling interest | 42,000 |  |  | 128,994 |  | 162,000 |
Balance, March 31, 2018 | $ 155,902 | $ 155,902 |  | 155,902 |  | $ 155,902 | $ 155,902
Noncontrolling Interest | Accounting Standards Update 2016-16 |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Deferred tax asset related to ASU 2016-16 adoption |  |  |  | $ 0 |  |  |

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