Derivatives - Summary of Gains and Losses from Derivative Instruments that are Not Designated as Hedging Instruments (Detail) (Foreign Exchange Contracts [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Cost of Sales [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Gains and losses from derivative instruments that are not designated as hedging instruments	$ (1,927)	$ (3,314)	$ (5,436)	$ (5,172)
Foreign Exchange Gains Net [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Gains and losses from derivative instruments that are not designated as hedging instruments	$ 4,139	$ 2,363	$ 13,373	$ 2,752