Lease Commitments (Details) - Future minimum rental payments due $ in Thousands	12 Months Ended
	Dec. 25, 2016 USD ($)
Operating leases
Fiscal year ending:
2017	$ 85,498
2018	83,540
2019	78,283
2020	70,997
2021	61,184
Thereafter	328,846
Total future minimum lease payments	708,348
Less amounts representing interest	0
Present value of obligations	0
Capital leases
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2017	4,949
2018	5,003
2019	5,063
2020	4,966
2021	4,841
Thereafter	21,541
Total future minimum lease payments	46,363
Less amounts representing interest	14,426
Present value of obligations	31,937
Deemed landlord financing
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2017	1,483
2018	1,497
2019	1,510
2020	1,518
2021	1,574
Thereafter	7,134
Total future minimum lease payments	14,716
Less amounts representing interest	10,097
Present value of obligations	4,619
Restaurants under development
Fiscal year ending:
2017	1,104
2018	1,835
2019	1,841
2020	1,846
2021	1,852
Thereafter	17,302
Total future minimum lease payments	25,780
Less amounts representing interest	0
Present value of obligations	$ 0