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	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 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	$ 20,053	$ (5,536)	$ (3,927)
Foreign Exchange (Losses) 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	$ (35,104)	$ 10,882	$ 963