Income Taxes (Deferred Income Taxes) (Details) - USD ($) $ in Thousands	Jan. 01, 2019	Jan. 02, 2018
Deferred tax assets (liabilities):
Deferred Tax Assets, Gross, Noncurrent	$ 50,851	$ 47,027
Loss carry forwards	32,896	26,991
Deferred rent and franchise revenue	10,433	10,486
Property, equipment and intangible assets	(10,472)	(9,858)
Stock-based compensation	1,242	1,086
Inventory smallwares	(1,740)	(1,774)
Tax credit carry forwards	3,528	3,123
Interest expense	998	0
Other accrued expenses	959	4,320
Other	795	1,021
Valuation allowance	(38,772)	(35,811)
Deferred Tax Liabilities, Net	(133)	(416)
Valuation allowance
Deferred Tax Liabilities, Gross	(12,212)	(11,632)
Deferred Tax Assets, Gross	$ 38,639	$ 35,395