Derivatives - Summary of Fair Value Amounts of Derivative Instruments (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Jun. 30, 2014
Derivative [Line Items]
Fair Value Assets/(Liability) Net	$ 140,685	$ (21,283)
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Assets	134,111	1,141
Economic Hedges, Gross [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Assets/(Liability) Net	7,302	(1,427)
Foreign Exchange Contracts [Member]
Derivative [Line Items]
Fair Value Assets/(Liability) Net	140,685	(21,283)
Foreign Exchange Contracts [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Liabilities	728	20,997
Foreign Exchange Contracts [Member] | Economic Hedges, Gross [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Liabilities	6,339	2,521
Hedging Instruments [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair Value Assets/(Liability) Net	133,383	(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	134,111	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	$ 13,641	$ 1,094