Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Income Tax Disclosure [Abstract]
Federal statutory rate, blended rate for next fiscal year	28.00%		28.00%
Federal statutory rate in periods subsequent to next fiscal year	21.00%		21.00%
Deferred tax assets, effect of Tax Cuts and Jobs Act, tax expense (benefit)			$ 905
Provisional tax expense for foreign tax credits	$ 415
Income tax (benefit) expense	2,209	$ 3,170	(4,837)	$ 3,690
(Loss) income from operations before income taxes	5,905	10,218	25,945	19,761
Excess tax benefits on stock-based compensation	$ 96	$ 184	7,675	$ 3,001
Operating loss carryforward, increase in carrying value			$ 3,716

Operating Loss Carryforward, Increase In Carrying Value

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Amount of income tax expense (benefit) for remeasurement of deferred tax asset from change in tax rate pursuant to Tax Cuts and Jobs Act of 2017.

+ References

No definition available.

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- Definition

Tax Cuts And Jobs Act Of 2017, Federal Statutory Rate, Blended Rate For Next Fiscal Year

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Tax Cuts And Jobs Act Of 2017, Federal Statutory Rate, Blended Rate For Years Subsequent To Next Fiscal Year

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- Definition

Amount of reasonable estimate for income tax expense (benefit) from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act of 2017 for which accounting for tax effect is incomplete.

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- Definition

Amount of cash outflow for realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 20
-Section 55
-Paragraph 24
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Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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