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Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands | 3 Months Ended
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Sep. 30, 2016 | Sep. 30, 2015
Change in Accounting Estimate [Line Items] |  |  |  |
Share-based compensation expense |  | $ 11,571 |  | $ 6,190
Gain on proceeds from insurance |  | $ (650) |  | $ (1,587)
Reconciliation of weighted-average number of ordinary shares |  |  |  |
Weighted average shares outstanding, basic |  | 31,570,824 |  | 32,528,583
Weighted average shares issuable upon exercise/vesting of outstanding share options/RSUs/RSAs |  | 0 |  | 1,228,795
Shares used in computing diluted net income per share |  | 31,570,824 |  | 33,757,378
Weighted average anti-dilutive shares excluded from diluted net income per share |  | 1,524,854 |  | 79,976
Other Income and Expenses [Abstract] |  |  |  |
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net |  | $ 77 | [1] | $ 2,367
Foreign Currency Transaction Gain (Loss), Realized | [2] | (2,966) |  | 5,034
Other Nonoperating Gains (Losses) | [3] | 757 |  | 1,841
Other (expense) income, net |  | (2,132) |  | $ 9,242
Cross Currency Interest Rate Contract [Member] |  |  |  |
Change in Accounting Estimate [Line Items] |  |  |  |
Unrealized Gain (Loss) on Cash Flow Hedging Instruments |  | $ 1,434 |  |
[1] | Includes both realized and unrealized (losses) gains on derivative forward currency contracts not designated as hedging instruments.
[2] | We have significant non-functional currency intercompany financing relationships subject to currency exchange rate volatility and the net currency related (losses) gains for the three months ended September 30, 2016 and 2015 are primarily driven by this intercompany activity. Includes unrealized losses of $1,434 for the three months ended September 30, 2016 related to certain cross-currency swaps designated as cash flow hedges which offset unrealized gains on the remeasurement of certain intercompany loans. The cross-currency swap contracts designated as cash flow hedges did not have an impact during the prior comparative period.
[3] | $1,587, respectively

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