Income Taxes (Deferred Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Jan. 01, 2013
Noncurrent deferred tax assets (liabilities):
Loss carry forwards	$ 2,745	$ 2,445
Deferred rent and franchise revenue	11,850	9,622
Property, equipment and intangible assets	(19,342)	(11,061)
Stock-based compensation	2,442	994
Alternative minimum tax credits	208	256
Interest rate swap	0	38
Other	951	497
Total noncurrent net deferred tax assets (liabilities)	(1,146)	2,791
Current deferred tax assets (liabilities):
Inventory smallwares	(1,737)	(1,459)
Other	607	436
Total current deferred tax liabilities	(1,130)	(1,023)
Net deferred tax assets (liability)	$ (2,276)	$ 1,768