Restructuring and Other Items - Summary of Significant Activities Within, and Components of Restructuring Obligations (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jul. 01, 2012	Jun. 30, 2013	Jul. 01, 2012
Restructuring Cost and Reserve [Line Items]
Beginning Balance			$ 17,994
Expense	4,201	2,209	10,355	4,274
Utilized			(17,130)
Ending Balance	11,219		11,219
Leases [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance			12,991
Expense	2,031	1,181	3,799	2,815
Utilized			(10,057)
Ending Balance	6,733		6,733
Employee severance and benefits [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance			5,003
Expense	2,170	1,028	6,556	1,459
Utilized			(7,073)
Ending Balance	$ 4,486		$ 4,486