Costs Associated with Exit and Restructuring Activities - Liabilities and Expenses Related to Exit and Restructuring Activities (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended	18 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012	Dec. 31, 2012	Jun. 29, 2013
Restructuring And Related Activities [Abstract]
Balance at beginning of period			$ 967	$ 1,048	$ 1,048	$ 1,048
Charged to earnings	1,101	0	2,996	0	960	3,956
Cash paid			(3,175)	(380)
Balance at the end of period	$ 788	$ 668	$ 788	$ 668	$ 967	$ 788