Income Taxes (Effective Tax Rate Reconciliation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2016	Dec. 27, 2014	Dec. 28, 2013
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]
Expected tax benefit at federal statutory income tax rate	$ (5,274)	$ (31,814)	$ (25,240)
State and local income tax benefit	(3,295)	(1,411)	(1,706)
Change in valuation allowance	5,914	31,734	34,049
Change in contingency reserves	(118)	(118)	(105)
Non-U.S. tax rate differences	116	(293)	(201)
Non-deductible expenses	3,094	4,120	4,054
Change in state tax rates	802	1,379	(272)
Expiration of stock option contracts	0	0	968
Other	3,154	562	2,614
Income tax expense	$ 4,393	$ 4,159	$ 14,161