Reorganization and Expense-Reduction Program Costs - Reorganization Costs and Activities (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2013	Mar. 31, 2012
Restructuring Cost and Reserve [Line Items]
Reorganization costs	$ 8,666	$ 557
2013 Actions [Member]
Restructuring Cost and Reserve [Line Items]
Reorganization costs	8,841
Amounts Paid and Charged Against the Liability	(2,176)
Adjustments	(4)
Remaining Liability at March 30, 2013	6,661
2013 Actions [Member] | Employee termination benefits [Member]
Restructuring Cost and Reserve [Line Items]
Reorganization costs	5,564
Amounts Paid and Charged Against the Liability	(1,839)
Adjustments	(31)
Remaining Liability at March 30, 2013	3,694
2013 Actions [Member] | Facility costs [Member]
Restructuring Cost and Reserve [Line Items]
Reorganization costs	3,277
Amounts Paid and Charged Against the Liability	(337)
Adjustments	27
Remaining Liability at March 30, 2013	2,967
2012 Actions [Member] | Employee termination benefits [Member]
Restructuring Cost and Reserve [Line Items]
Remaining Liability at December 29, 2012	1,826
Reorganization costs		557
Amounts Paid and Charged Against the Liability	(442)
Adjustments	(211)
Remaining Liability at March 30, 2013	$ 1,173