Income Taxes (Effective Tax Rate Reconciliation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]
Expected tax expense (benefit) at federal statutory income tax rate	$ 26,286	$ (5,274)
State and local income tax expense (benefit)	5,917	(3,295)
State net operating loss adjustments	1,273	2,259
Change in valuation allowance	(35,659)	5,914
Change in contingency reserves	(132)	(118)
Non-U.S. tax rate differences	665	116
Non-deductible expenses	4,325	3,094
Change in state tax rates	99	802
Other	1,484	895
Income tax expense	$ 4,258	$ 4,393