Derivatives - Summary of Gains and Losses from Derivative Instruments that are Not Designated as Hedging Instruments (Detail) - Foreign Exchange Contracts [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
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	$ (4,740)	$ 13,473	$ (251)	$ 25,606
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	$ 4,770	$ (17,450)	$ 1,291	$ (39,822)