Restructuring and Other Items - Restructuring of Operations and Other Items Net (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Apr. 01, 2012
Restructuring Cost and Reserve [Line Items]
Total restructuring expense	$ 6,154	$ 2,065
Other items, net	14,298	13,397
Total restructuring of operations and other items, net	20,452	15,462
Lease and contract terminations [Member]
Restructuring Cost and Reserve [Line Items]
Total restructuring expense	1,768	1,634
Employee severance and benefits [Member]
Restructuring Cost and Reserve [Line Items]
Total restructuring expense	$ 4,386	$ 431