Derivatives and Hedging - Additional Information (Detail)	3 Months Ended
	Sep. 30, 2012 USD ($)	Sep. 30, 2011 USD ($)	Sep. 30, 2012 EUR (€)	Sep. 30, 2012 Prepaid and Other Current Assets USD ($)	Sep. 30, 2011 Prepaid and Other Current Assets USD ($)	Sep. 30, 2012 Other Noncurrent Liabilities USD ($)	Sep. 30, 2012 Cash Flow Hedging Foreign Exchange Forward
Derivative [Line Items]
Derivative contract, expected settlement date							2014-02
Notional amount of foreign currency contracts designated as cash flow hedges	$ 17,100,000		€ 12,900,000
Net gain related to derivative instruments designated as cash flow hedges recorded in OCI	378,000
Reclassification of foreign currency cash flow hedge into earnings in the next 12 months	397,000
Fair value of cash flow hedges, net asset	430,000
Fair value of cash flow hedges, assets				449,000	715,000
Fair value of cash flow hedges, liabilities						18,000
Gains recognized in OCI	92,000	722,000
Reclassification of losses (gains) from OCI to revenue	$ 314,000	$ 97,000