Income Taxes - Additional Information (Detail) (USD $)	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Income Tax Disclosure [Abstract]
Income tax interest and penalties accrued	$ 0	$ 0
Unrealized tax benefit	4,000
Effective tax rate	22.30%	18.20%
Acquisition expenses	$ 3,700,000