Intangible Assets And Goodwill (Narrative) (Details) $ in Thousands	12 Months Ended
	Dec. 27, 2016 USD ($) county	Dec. 29, 2015 USD ($)	Dec. 30, 2014 USD ($)	Dec. 25, 2012 USD ($)
Goodwill, Intangible Assets And Other Assets [Line Items]
Goodwill	$ 75,365	$ 75,365
Estimated amortization expense, 2017	100
Estimated amortization expense, 2018	100
Estimated amortization expense, 2019	100
Estimated amortization expense, 2020	100
Estimated amortization expense, 2021	100
Amortization expense	100	100	$ 200
Goodwill and intangible asset impairment	0	0	$ 0
Book value of license	37,409	36,865
Payment to acquire rights to use tradename	546
Other current liabilities	9,660	5,180
Trade Names [Member]
Goodwill, Intangible Assets And Other Assets [Line Items]
Agreement to acquire rights to use tradename	$ 600
Minimum [Member]
Goodwill, Intangible Assets And Other Assets [Line Items]
Estimated useful life	7 years
Maximum [Member]
Goodwill, Intangible Assets And Other Assets [Line Items]
Estimated useful life	17 years
Favorable Leasehold Interests [Member] | Minimum [Member]
Goodwill, Intangible Assets And Other Assets [Line Items]
Estimated useful life	7 years
Favorable Leasehold Interests [Member] | Maximum [Member]
Goodwill, Intangible Assets And Other Assets [Line Items]
Estimated useful life	9 years
Orlando Licensing Agreement [Member]
Goodwill, Intangible Assets And Other Assets [Line Items]
Estimated useful life	17 years
Book value of license	$ 500
One-time payment to licensee				$ 25,000
Number of counties | county	3
Gain (loss) on exchange	$ 0
Discount rate for cash flow	11.50%
Louisville Trademark Agreement [Member]
Goodwill, Intangible Assets And Other Assets [Line Items]
Other current liabilities	$ 100
Del Frisco's [Member]
Goodwill, Intangible Assets And Other Assets [Line Items]
Goodwill	43,900	$ 43,900
Sullivan's [Member]
Goodwill, Intangible Assets And Other Assets [Line Items]
Goodwill	$ 31,400