Derivatives - Schedule of Outstanding Foreign Exchange Contracts, Primarily Forward Contracts (Detail) (USD $)
Mar. 31, 2015
Jun. 30, 2014
Derivative [Line Items]    
Fair Value Asset/(Liability) $ 263,274,000 $ (21,283,000)
Foreign Exchange Contracts [Member]    
Derivative [Line Items]    
Gross Notional Value 1,880,065,000 1,831,101,000
Fair Value Asset/(Liability) 263,274,000 (21,283,000)
Foreign Exchange Contracts [Member] | U.S. Dollar/Euro [Member]    
Derivative [Line Items]    
Gross Notional Value 1,646,435,000 1,558,950,000
Fair Value Asset/(Liability) 280,151,000 (21,418,000)
Foreign Exchange Contracts [Member] | Euro/U.S. Dollar [Member]    
Derivative [Line Items]    
Gross Notional Value 161,219,000 214,781,000
Fair Value Asset/(Liability) (22,773,000) 1,077,000
Foreign Exchange Contracts [Member] | Swiss Franc/Euro [Member]    
Derivative [Line Items]    
Gross Notional Value 30,845,000 0
Fair Value Asset/(Liability) 4,157,000 0
Foreign Exchange Contracts [Member] | U.S. Dollar/Indian Rupee [Member]    
Derivative [Line Items]    
Gross Notional Value 0 35,000,000
Fair Value Asset/(Liability) 0 (583,000)
Foreign Exchange Contracts [Member] | Japanese Yen/Euro [Member]    
Derivative [Line Items]    
Gross Notional Value 6,200,000 0
Fair Value Asset/(Liability) 360,000 0
Foreign Exchange Contracts [Member] | British Pound/U.S. Dollar [Member]    
Derivative [Line Items]    
Gross Notional Value 4,446,000 0
Fair Value Asset/(Liability) (418,000) 0
Foreign Exchange Contracts [Member] | Chinese Yuan/U.S. Dollar [Member]    
Derivative [Line Items]    
Gross Notional Value 4,790,000 0
Fair Value Asset/(Liability) 14,000 0
Foreign Exchange Contracts [Member] | Chinese Yuan/Euro [Member]    
Derivative [Line Items]    
Gross Notional Value 3,667,000 0
Fair Value Asset/(Liability) 714,000 0
Foreign Exchange Contracts [Member] | Hungarian Forint/Euro [Member]    
Derivative [Line Items]    
Gross Notional Value 2,810,000 0
Fair Value Asset/(Liability) 143,000 0
Foreign Exchange Contracts [Member] | Euro/Russian Rubles [Member]    
Derivative [Line Items]    
Gross Notional Value 5,669,000 8,828,000
Fair Value Asset/(Liability) (540,000) (141,000)
Foreign Exchange Contracts [Member] | U.S. Dollar/Brazilian Real [Member]    
Derivative [Line Items]    
Gross Notional Value 13,163,000 5,052,000
Fair Value Asset/(Liability) 1,323,000 (95,000)
Foreign Exchange Contracts [Member] | U.S. Dollar/Russian Rubles [Member]    
Derivative [Line Items]    
Gross Notional Value 821,000 0
Fair Value Asset/(Liability) 143,000 0
Foreign Exchange Contracts [Member] | Euro/Brazilian Real [Member]    
Derivative [Line Items]    
Gross Notional Value 0 8,490,000
Fair Value Asset/(Liability) $ 0 $ (123,000)