Employee Benefit Plans (Details) $ in Thousands	12 Months Ended
	Dec. 29, 2015 USD ($) item	Dec. 30, 2014 USD ($)	Dec. 31, 2013 USD ($)
Number of restaurant concepts for which section 401(k) is open to participation by staff members | item	3
Minimum number of investment options available to participating plan members | item	1
Maximum amount of eligible bonuses that may be deferred by participating staff members under the ESP (as a percent)	100.00%
Accrued liability for self-insured medical benefit plan	$ 7,300	$ 7,700
Allocated Share-based Compensation Expense	20,053	16,817	$ 14,135
General and administrative expenses
Allocated Share-based Compensation Expense	14,037	11,356	9,462
Stock options | General and administrative expenses
Allocated Share-based Compensation Expense	700	600	600
Executive savings plan member | General and administrative expenses
Allocated Share-based Compensation Expense	$ 900	$ 800	$ 700