Derivatives - Summary of Fair Value Amounts of Derivative Instruments (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Jun. 30, 2015
Derivative [Line Items]
Fair Value Asset/(Liability) Net	$ 193,764	$ 195,342
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Assets	184,263	194,578
Fair Value Liabilities	4,996	2,688
Economic Hedges, Gross [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Assets	18,911	20,311
Fair Value Liabilities	4,414	16,859
Fair Value Asset/(Liability) Net	14,497	3,452
Foreign Exchange Contracts [Member]
Derivative [Line Items]
Fair Value Asset/(Liability) Net	193,764	195,342
Hedging Instruments [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Asset/(Liability) Net	179,267	191,890
Other Current Assets [Member] | Foreign Exchange Contracts [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Assets	69,590	73,082
Other Current Assets [Member] | Foreign Exchange Contracts [Member] | Economic Hedges, Gross [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Assets	18,911	20,226
Other Assets [Member] | Foreign Exchange Contracts [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Assets	114,673	121,496
Other Assets [Member] | Foreign Exchange Contracts [Member] | Economic Hedges, Gross [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Assets	0	85
Accrued Liabilities [Member] | Foreign Exchange Contracts [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Liabilities	1,997	1,034
Accrued Liabilities [Member] | Foreign Exchange Contracts [Member] | Economic Hedges, Gross [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Liabilities	2,632	13,288
Other Non-current Liabilities [Member] | Foreign Exchange Contracts [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Liabilities	2,999	1,654
Other Non-current Liabilities [Member] | Foreign Exchange Contracts [Member] | Economic Hedges, Gross [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Liabilities	$ 1,782	$ 3,571