Fair Values of Derivative Instruments Designated as Hedging Instruments (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Derivatives Fair Value [Line Items]
Total asset derivatives		$ 1,279
Total liability derivatives		598
Other Assets - Current | Foreign Currency Exchange Contracts
Derivatives Fair Value [Line Items]
Total asset derivatives		1,279
Derivative Liabilities - Current | Foreign Currency Exchange Contracts
Derivatives Fair Value [Line Items]
Total liability derivatives		$ 598