Derivatives - Summary of Gains and Losses from Derivative Instruments that are Not Designated as Hedging Instruments (Detail) (Foreign Exchange Contracts-Forwards [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
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	$ 3,796	$ (1,927)	$ 12,133	$ (5,436)
Foreign Exchange (Gains) Losses, 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	$ (5,736)	$ 4,139	$ (22,372)	$ 13,373