Summary of Significant Accounting Policies New Accounting Standards (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Jan. 01, 2017	Jan. 03, 2016	Dec. 28, 2014
New Accounting Pronouncements or Change in Accounting Principle
Payments Related to Tax Withholding for Share-based Compensation	$ (5,721)	$ (4,444)	$ (12,221)
Cumulative effect of change in accounting principle		1,880
Change in net cash provided by (used in) investing activities	67,311	(92,107)	(35,380)
Change in net cash provided by (used in) operating activities	(251,640)	(188,934)	(274,314)
Change in cash, cash equivalents and restricted cash	171,447	198,240	327,216	$ 267,276
Operating Leases, Future Minimum Payments Due	1,587,271
Advertising Expense	27,921	41,064	64,312
Share-based compensation guidance
New Accounting Pronouncements or Change in Accounting Principle
Excess Tax Benefit from Share-based Compensation, Operating Activities		3,082	49,613
Payments Related to Tax Withholding for Share-based Compensation		(4,444)	(12,221)
Cumulative effect of change in accounting principle		1,880
Restricted cash guidance
New Accounting Pronouncements or Change in Accounting Principle
Change in net cash provided by (used in) investing activities	25,000	(15,000)
Change in net cash provided by (used in) operating activities	(13,000)	5,000
Change in cash, cash equivalents and restricted cash	41,000	78,000	$ 58,000
Lease guidance
New Accounting Pronouncements or Change in Accounting Principle
Operating Leases, Future Minimum Payments Due	1,587,271
Revenue recognition guidance
New Accounting Pronouncements or Change in Accounting Principle
Initial Franchise Fees	16,000	14,000
Deferred Revenue, Additions	86,000
Advertising Revenue	324,000	307,000
Advertising Expense	$ 327,000	$ 309,000