Derivatives - Summary of Fair Value Amounts of Derivative Instruments (Detail) - USD ($) $ in Thousands	Jun. 30, 2015	Jun. 30, 2014
Derivative [Line Items]
Fair Value Asset/(Liability) Net	$ 195,342	$ (21,283)
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Assets	194,578	1,141
Fair Value Liabilities	2,688	20,997
Economic Hedges, Gross [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Assets	20,311	1,094
Fair Value Liabilities	16,859	2,521
Fair Value Asset/(Liability) Net	3,452	(1,427)
Foreign Exchange Contracts [Member]
Derivative [Line Items]
Fair Value Asset/(Liability) Net	195,342	(21,283)
Hedging Instruments [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Asset/(Liability) Net	191,890	(19,856)
Other Current Assets [Member] | Foreign Exchange Contracts [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Assets	73,082	1,141
Other Current Assets [Member] | Foreign Exchange Contracts [Member] | Economic Hedges, Gross [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Assets	20,226	1,094
Other Assets [Member] | Foreign Exchange Contracts [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Assets	121,496	0
Other Assets [Member] | Foreign Exchange Contracts [Member] | Economic Hedges, Gross [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Assets	85	0
Accrued Liabilities [Member] | Foreign Exchange Contracts [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Liabilities	1,034	5,532
Accrued Liabilities [Member] | Foreign Exchange Contracts [Member] | Economic Hedges, Gross [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Liabilities	13,288	2,521
Other Non-current Liabilities [Member] | Foreign Exchange Contracts [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Liabilities	1,654	15,465
Other Non-current Liabilities [Member] | Foreign Exchange Contracts [Member] | Economic Hedges, Gross [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Liabilities	$ 3,571	$ 0