Income Taxes (Details) (USD $)	6 Months Ended
	Jul. 01, 2014	Jun. 25, 2013	Jul. 01, 2014
Reconciliation unrecognized tax benefits
Income tax expense	$ 1,100,000	$ 5,000,000
Income Tax Expense (Benefit)	2,300,000
Deferred State and Local Income Tax Expense (Benefit)	1,200,000
Liability for Uncertain Tax Positions, Noncurrent		1,600,000
Uncertain tax positions	$ 4,000,000		$ 4,000,000