Divestitures and Acquisitions (Details) (USD $)	0 Months Ended	6 Months Ended
	Dec. 31, 2013 restaurant	Jul. 01, 2014
Purchase price allocated
Goodwill	$ 117,197,000	$ 117,197,000
Franchise restaurants in Ohio
Divestitures and acquisitions
Number of franchise restaurants acquired	2
Cash received on sale	1,500,000
Aggregate transaction value	6,000,000
Purchase price allocated
Current assets		64,000
Property and equipment, net		577,000
Goodwill		3,743,000
Intangible asset		405,000
Current liabilities		(139,000)
Other liabilities		(150,000)
Purchase Price		4,500,000
Intangible assets weighted-average life		2 years 8 months 12 days
Expected average annual expense for the next three years		100,000
Franchise restaurants in Ohio | Amounts Previously Recorded
Purchase price allocated
Current assets		64,000
Property and equipment, net		558,000
Goodwill		3,013,000
Intangible asset		1,154,000
Current liabilities		(139,000)
Other liabilities		(150,000)
Purchase Price		4,500,000
Franchise restaurants in Ohio | Measurement Period Adjustments
Purchase price allocated
Property and equipment, net		19,000
Goodwill		730,000
Intangible asset		$ (749,000)
Aspen Creek
Divestitures and acquisitions
Number of restaurants sold	2