Derivatives - Schedule of Outstanding Foreign Exchange Contracts, Primarily Forward Contracts (Detail) - Foreign Exchange Contracts [Member] - USD ($)	Jun. 30, 2016	Jun. 30, 2015
Derivative [Line Items]
Gross Notional Value	$ 2,027,191,000	$ 1,884,158,000
Fair Value Asset/(Liability)	139,259,000	195,342,000
U.S. Dollar/Euro [Member]
Derivative [Line Items]
Gross Notional Value	1,516,094,000	1,479,685,000
Fair Value Asset/(Liability)	149,901,000	208,532,000
Indian Rupee/U.S. Dollar [Member]
Derivative [Line Items]
Gross Notional Value	251,355,000	205,150,000
Fair Value Asset/(Liability)	(721,000)	(935,000)
Euro/U.S. Dollar [Member]
Derivative [Line Items]
Gross Notional Value	224,921,000	153,549,000
Fair Value Asset/(Liability)	(6,280,000)	(15,994,000)
U.S. Dollar/Brazilian Real [Member]
Derivative [Line Items]
Gross Notional Value	20,958,000	6,148,000
Fair Value Asset/(Liability)	(2,459,000)	318,000
U.S. Dollar/Russian Rubles [Member]
Derivative [Line Items]
Gross Notional Value	9,517,000	1,613,000
Fair Value Asset/(Liability)	(478,000)	24,000
Euro/Russian Rubles [Member]
Derivative [Line Items]
Gross Notional Value	3,601,000	5,963,000
Fair Value Asset/(Liability)	(667,000)	(865,000)
U.S. Dollar/Australian Dollar [Member]
Derivative [Line Items]
Gross Notional Value	745,000
Fair Value Asset/(Liability)	$ (37,000)
Swiss Franc/Euro [Member]
Derivative [Line Items]
Gross Notional Value		32,050,000
Fair Value Asset/(Liability)		$ 4,262,000