Derivatives - Schedule of Outstanding Foreign Exchange Contracts, Primarily Forward Contracts (Detail) - Foreign Exchange Contracts [Member] - USD ($)	Mar. 31, 2016	Jun. 30, 2015
Derivative [Line Items]
Gross Notional Value	$ 2,040,821,000	$ 1,884,158,000
Fair Value Asset/(Liability)	130,566,000	195,342,000
U.S. Dollar/Euro [Member]
Derivative [Line Items]
Gross Notional Value	1,597,741,000	1,479,685,000
Fair Value Asset/(Liability)	131,760,000	208,532,000
Indian Rupee/U.S. Dollar [Member]
Derivative [Line Items]
Gross Notional Value	238,125,000	205,150,000
Fair Value Asset/(Liability)	599,000	(935,000)
Euro/U.S. Dollar [Member]
Derivative [Line Items]
Gross Notional Value	157,419,000	153,549,000
Fair Value Asset/(Liability)	(1,904,000)	(15,994,000)
Mexico Peso/U.S. Dollar [Member]
Derivative [Line Items]
Gross Notional Value	14,697,000	0
Fair Value Asset/(Liability)	529,000	0
CNY/U.S. Dollar [Member]
Derivative [Line Items]
Gross Notional Value	13,512,000	0
Fair Value Asset/(Liability)	(44,000)	0
JPY/Euro [Member]
Derivative [Line Items]
Gross Notional Value	8,528,000	0
Fair Value Asset/(Liability)	504,000	0
Euro/Russian Rubles [Member]
Derivative [Line Items]
Gross Notional Value	3,428,000	5,963,000
Fair Value Asset/(Liability)	(347,000)	(865,000)
U.S. Dollar/Brazilian Real [Member]
Derivative [Line Items]
Gross Notional Value	3,349,000	6,148,000
Fair Value Asset/(Liability)	(389,000)	318,000
U.S. Dollar/Russian Rubles [Member]
Derivative [Line Items]
Gross Notional Value	2,157,000	1,613,000
Fair Value Asset/(Liability)	(133,000)	24,000
Russian Rubles/U.S. Dollar [Member]
Derivative [Line Items]
Gross Notional Value	1,099,000	0
Fair Value Asset/(Liability)	43,000	0
U.S. Dollar/Australian Dollar [Member]
Derivative [Line Items]
Gross Notional Value	766,000	0
Fair Value Asset/(Liability)	$ (52,000)	0
Swiss Franc/Euro [Member]
Derivative [Line Items]
Gross Notional Value		32,050,000
Fair Value Asset/(Liability)		$ 4,262,000