Derivatives - Schedule of Outstanding Foreign Exchange Contracts, Primarily Forward Contracts (Detail) - Foreign Exchange Contracts [Member] - USD ($)	Dec. 31, 2016	Jun. 30, 2016
Derivative [Line Items]
Gross Notional Value	$ 1,725,580,000	$ 2,027,191,000
Fair Value Asset/(Liability)	154,478,000	139,259,000
U.S. Dollar/Euro [Member]
Derivative [Line Items]
Gross Notional Value	1,099,086,000	1,516,094,000
Fair Value Asset/(Liability)	157,961,000	149,901,000
Indian Rupee/U.S. Dollar [Member]
Derivative [Line Items]
Gross Notional Value	260,200,000	251,355,000
Fair Value Asset/(Liability)	7,068,000	(721,000)
Euro/U.S. Dollar [Member]
Derivative [Line Items]
Gross Notional Value	140,579,000	224,921,000
Fair Value Asset/(Liability)	(8,424,000)	(6,280,000)
U.S. Dollar/Chinese Yuan [Member]
Derivative [Line Items]
Gross Notional Value	158,071,000
Fair Value Asset/(Liability)	961,000
Chinese Yuan/U.S. Dollar [Member]
Derivative [Line Items]
Gross Notional Value	25,486,000
Fair Value Asset/(Liability)	(954,000)
Mexican Peso/U.S. Dollar [Member]
Derivative [Line Items]
Gross Notional Value	16,519,000
Fair Value Asset/(Liability)	(271,000)
U.S. Dollar/Brazilian Real [Member]
Derivative [Line Items]
Gross Notional Value	3,863,000	20,958,000
Fair Value Asset/(Liability)	(652,000)	(2,459,000)
GBP/Euro [Member]
Derivative [Line Items]
Gross Notional Value	8,939,000
Fair Value Asset/(Liability)	(95,000)
Euro/Russian Rubles [Member]
Derivative [Line Items]
Gross Notional Value	8,125,000	3,601,000
Fair Value Asset/(Liability)	(526,000)	(667,000)
U.S. Dollar/Russian Rubles [Member]
Derivative [Line Items]
Gross Notional Value	4,712,000	9,517,000
Fair Value Asset/(Liability)	$ (590,000)	(478,000)
U.S. Dollar/Australian Dollar [Member]
Derivative [Line Items]
Gross Notional Value		745,000
Fair Value Asset/(Liability)		$ (37,000)