Restructuring and Other Items - Summary of Significant Activity Within, and Components of Restructuring Obligations (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Apr. 01, 2012
Restructuring Cost and Reserve [Line Items]
Beginning Balance	$ 17,994
Expense	6,154	2,065
Utilized	(11,411)
Ending Balance	12,737
Lease and contract terminations [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	12,991
Expense	1,768	1,634
Utilized	(6,441)
Ending Balance	8,318
Employee severance and benefits [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	5,003
Expense	4,386	431
Utilized	(4,970)
Ending Balance	$ 4,419