v2.4.0.8

Income Taxes - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013	Jun. 30, 2013
Income Tax Disclosure [Abstract]
Provision/(benefit) for income taxes	$ 4,429,000	$ (12,592,000)	$ 22,324,000	$ (6,064,000)
Effective tax rate	29.30%	25.20%	29.30%	25.20%
Gross unrecognized tax benefits	10,400,000		10,400,000		8,200,000
Gross unrecognized tax benefits increased during the year			2,200,000
Interest and penalties accrued related to unrecognized tax benefits	1,000,000		1,000,000
Increase in interest and penalties accrued related to unrecognized tax benefits			101,000
Minimum amount of tax refunds subject to mandatory review			$ 2,000,000
Extension period of federal research credit			2 years

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The net amount of all increases and decreases in unrecognized tax benefits for the period.

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