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
	Mar. 29, 2014	Mar. 30, 2013
Restructuring And Related Activities [Abstract]
Balance at beginning of period	$ 1,252	$ 967
Charged to earnings	267	1,895
Cash paid	(1,190)	(2,161)
Balance at the end of period	$ 329	$ 701