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Income Taxes - Additional Information (Detail) (USD $)
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3 Months Ended | ||
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Sep. 30, 2013
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Sep. 30, 2012
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Jun. 30, 2013
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| Income Tax Disclosure [Abstract] | |||
| Provision for income taxes | $ 12,680,000 | $ 2,494,000 | |
| Effective tax rate | 26.60% | 29.20% | |
| Gross unrecognized tax benefits | 8,400,000 | 8,200,000 | |
| Gross unrecognized tax benefits increased during the year | 146,000 | ||
| Interest and penalties accrued related to unrecognized tax benefits | 918,000 | ||
| Increase in interest and penalties accrued related to unrecognized tax benefits | 5,000 | ||
| Minimum amount of tax refunds subject to mandatory review | $ 2,000,000 | ||
| Extension period of federal research credit | 2 years | ||
| X | ||||||||||
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- Definition
Federal research tax credit extended period. No definition available.
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| X | ||||||||||
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- Definition
Increase in unrecognized tax benefits income tax penalties and interest accrued. No definition available.
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| X | ||||||||||
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- Definition
Minimum amount of tax refunds subject to mandatory review. No definition available.
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| X | ||||||||||
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- Definition
Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The net amount of all increases and decreases in unrecognized tax benefits for the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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