Components of Accumulated Other Comprehensive Loss (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	$ (9,749)
Other comprehensive income (loss) before reclassifications	(4,928)
Amounts reclassified from other comprehensive loss	183
Ending Balance	(14,494)
Foreign currency translation adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	1,299
Other comprehensive income (loss) before reclassifications	(5,694)
Ending Balance	(4,395)
Pension liability
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(11,048)
Other comprehensive income (loss) before reclassifications	766
Amounts reclassified from other comprehensive loss	183
Ending Balance	$ (10,099)