Summary of Fair Value of Foreign Currency Contracts (Detail) (Foreign Exchange Contracts, USD $) In Thousands, unless otherwise specified	Jun. 30, 2012		Dec. 31, 2011
Prepaid Expenses and Other Current Assets
Derivative
Derivative assets fair value designated as hedging instruments	$ 863	[1]	$ 351	[1]
Derivative assets fair value not designated as hedging instruments	0	[1]	2,512	[1]
Other Accrued Expenses
Derivative
Derivative liabilities fair value designated as hedging instruments	627	[1]	237	[1]
Derivative liabilities fair value not designated as hedging instruments	$ 1,385	[1]	$ 63	[1]

[1] Please refer to Note 16 - Fair Value Measurements for additional details.