Derivatives - Summary of Fair Value Amounts of Derivative Instruments (Detail) - USD ($) $ in Thousands	Sep. 30, 2016	Jun. 30, 2016
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Assets	$ 112,806	$ 136,354
Fair Value Liabilities	2,428	4,475
Economic Hedges, Gross [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Assets	13,845	15,106
Fair Value Liabilities	3,099	7,726
Fair Value Asset/(Liability) Net	10,746	7,380
Foreign Exchange Contracts [Member]
Derivative [Line Items]
Fair Value Asset/(Liability) Net	121,124	139,259
Hedging Instruments [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Asset/(Liability) Net	110,378	131,879
Other Current Assets [Member] | Foreign Exchange Contracts [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Assets	63,430	69,122
Other Current Assets [Member] | Foreign Exchange Contracts [Member] | Economic Hedges, Gross [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Assets	13,583	14,761
Other Noncurrent Assets [Member] | Foreign Exchange Contracts [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Assets	49,376	67,232
Other Noncurrent Assets [Member] | Foreign Exchange Contracts [Member] | Economic Hedges, Gross [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Assets	262	345
Accrued Liabilities Current [Member] | Foreign Exchange Contracts [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Liabilities	2,184	3,482
Accrued Liabilities Current [Member] | Foreign Exchange Contracts [Member] | Economic Hedges, Gross [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Liabilities	1,090	5,763
Other Non-current Liabilities [Member] | Foreign Exchange Contracts [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Liabilities	244	993
Other Non-current Liabilities [Member] | Foreign Exchange Contracts [Member] | Economic Hedges, Gross [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Liabilities	$ 2,009	$ 1,963