System Optimization Gains, Net (Losses) Gains, Net (Details) $ in Thousands	2 Months Ended	3 Months Ended				12 Months Ended
	Mar. 03, 2016 USD ($) Restaurant	Jan. 03, 2016 USD ($) Restaurant	Jun. 28, 2015 USD ($)	Dec. 28, 2014 USD ($)	Mar. 30, 2014 USD ($)	Jan. 03, 2016 USD ($) Restaurant	Dec. 28, 2014 USD ($) Restaurant	Dec. 29, 2013 USD ($) Restaurant	Feb. 28, 2015 Restaurant
Property, Plant and Equipment [Line Items]
Significant Changes, Planned Franchises to Sell | Restaurant		315				315			540,000
Future company-owned restaurant ownership percentage									5.00%
System optimization gains, net
Significant Changes, Franchises Sold | Restaurant							255
Proceeds from sales						$ 204,388	$ 161,386	$ 149,112
System optimization gains, net		$ 59,258	$ 15,654	$ 17,483	$ 72,977	74,009	91,510	51,276
Goodwill		770,781		822,562		$ 770,781	$ 822,562	$ 842,544
Sale of Company-Owned Restaurants to Franchisees [Member]
System optimization gains, net
Significant Changes, Franchises Sold | Restaurant						327	237	244
Proceeds from sales						$ 193,860	$ 128,292	$ 130,154
Net assets sold						(86,493)	(53,043)	(60,895)
Goodwill related to sales of restaurants						(29,970)	(18,032)	(20,578)
Net (unfavorable) favorable leases						(846)	34,335	(57)
Other						(5,499)	(5,692)	(1,957)
Gain on sales of restaurants, Net, Before post-closing adjustments						71,052	85,860	46,667
Post-closing adjustments on sales of restaurants						1,285	(1,280)	0
System optimization gains, net						72,337	84,580	46,667
Favorable Lease Assets						34,437	63,120	37,749
Unfavorable Lease Liabilities						35,283	$ 28,785	37,806
Deferred Gain on Sale of Property		$ 4,568				$ 4,568
Franchises Sold, Deferred Gain on Sale | Restaurant						17
Recognition of Gain on Sale of Property						$ 4,492
Sale of franchise-operated restaurant to franchisee [Member]
System optimization gains, net
Significant Changes, Franchises Sold | Restaurant						71	18
Proceeds from sales							$ 15,779
System optimization gains, net							1,841
Goodwill				0			0
Sale of Other Assets [Member]
System optimization gains, net
Proceeds from sales						$ 10,478	17,263	18,844
System optimization gains, net						1,672	5,089	4,609
Sale of company-owned restaurants and other assets [Member]
System optimization gains, net
System optimization gains, net						$ 74,009	89,669	$ 51,276
Guarantee Obligations [Member] | Sale of Company-Owned Restaurants to Franchisees [Member]
System optimization gains, net
Deferred Gain on Sale of Property				1,995			$ 1,995
Franchises Sold, Deferred Gain on Sale | Restaurant							8
Canada, Dollars | Guarantee Obligations [Member] | Sale of Company-Owned Restaurants to Franchisees [Member]
System optimization gains, net
Deferred Gain on Sale of Property				$ 2,300			$ 2,300
Subsequent Event [Member] | Sale of Company-Owned Restaurants to Franchisees [Member]
System optimization gains, net
Significant Changes, Franchises Sold | Restaurant	17
Proceeds from sales	$ 7,900