Income Taxes (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 25, 2014	Jun. 26, 2013	Jun. 25, 2014	Jun. 26, 2013
Income Tax Disclosure [Abstract]
Provision for income taxes	$ 4,730,000	$ 2,537,000	$ 7,349,000	$ 6,106,000
State jobs tax credits			500,000	800,000
Tax adjustment benefit			500,000
Deferred tax benefit				$ 300,000