Summary of Significant Accounting Policies (PPE) (Details)	3 Months Ended	12 Months Ended
	Dec. 30, 2014 USD ($)	Dec. 29, 2015 USD ($)	Dec. 30, 2014 USD ($) restaurant	Dec. 31, 2013 USD ($) restaurant
Property and Equipment
Repairs and maintenance expense		$ 20,600,000	$ 17,900,000	$ 15,900,000
Impairment of Goodwill
Impairment of goodwill	$ 600,000	0	626,000	0
Impairment or Disposal of Long-Lived Assets
Maximum threshold amount considered for impairment		$ 300,000
Impairment analysis, estimated useful life of operating a restaurant		20 years
Impairment of restaurant		$ 0	$ 0
Number of long-lived assets impaired | restaurant			1
Restaurant closed in 2009 | Closed
Impairment or Disposal of Long-Lived Assets
Impairment of restaurant				$ 200,000
Number of long-lived assets impaired | restaurant				1
Land improvements | Minimum
Property and Equipment
Estimated useful life		10 years
Land improvements | Maximum
Property and Equipment
Estimated useful life		25 years
Buildings and leasehold improvements | Minimum
Property and Equipment
Estimated useful life		10 years
Buildings and leasehold improvements | Maximum
Property and Equipment
Estimated useful life		25 years
Equipment and smallwares | Minimum
Property and Equipment
Estimated useful life		3 years
Equipment and smallwares | Maximum
Property and Equipment
Estimated useful life		10 years
Furniture and fixtures | Minimum
Property and Equipment
Estimated useful life		3 years
Furniture and fixtures | Maximum
Property and Equipment
Estimated useful life		10 years