Derivative Instruments and Hedging (Detail) (Foreign currency forward contracts [Member], Fair Value, Inputs, Level 2 [Member]) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jul. 01, 2012 USD ($)	Jul. 01, 2012 USD ($)	Jul. 01, 2012 EUR (€)
Derivative Instruments, Gain (Loss) [Line Items]
Notional Amount	$ 93,541	$ 93,541	€ 75,000
Maturity Date	Jul. 23, 2012
Fair value included within Accrued liabilities	215	215
Amount of pre-tax gain recognized in AOCI	$ 2,518	$ 2,518