Schedule of Outstanding Foreign Currency Forward Contracts (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013
Buy Contracts
Derivative [Line Items]
Derivatives Designated as Hedging Instruments	$ 59,885
Derivatives Not Designated as Hedging Instruments	172,731
Buy Contracts | Swiss Franc
Derivative [Line Items]
Derivatives Not Designated as Hedging Instruments	18,726
Buy Contracts | Euro
Derivative [Line Items]
Derivatives Designated as Hedging Instruments	59,885
Derivatives Not Designated as Hedging Instruments	19,307
Buy Contracts | Korean Won
Derivative [Line Items]
Derivatives Not Designated as Hedging Instruments	14,095
Buy Contracts | Taiwan Dollar
Derivative [Line Items]
Derivatives Not Designated as Hedging Instruments	120,603
Sell Contracts
Derivative [Line Items]
Derivatives Designated as Hedging Instruments	137,286
Derivatives Not Designated as Hedging Instruments	119,153
Sell Contracts | Japanese Yen
Derivative [Line Items]
Derivatives Designated as Hedging Instruments	137,286
Derivatives Not Designated as Hedging Instruments	97,408
Sell Contracts | Swiss Franc
Derivative [Line Items]
Derivatives Not Designated as Hedging Instruments	1,633
Sell Contracts | Euro
Derivative [Line Items]
Derivatives Not Designated as Hedging Instruments	$ 20,112