Facilities Action Charges (Income), Net System Optimization Gain (Loss) on Sales of Restaurants (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 29, 2014 stores	Jun. 30, 2013 stores		Jun. 29, 2014 stores		Jun. 30, 2013 stores
Significant Acquisitions and Disposals [Line Items]
Proceeds from sales of restaurants				$ 21,213		$ 13,211
Gain on sales of restaurants, net				61,411		1,276
System Optimization [Member]
Significant Acquisitions and Disposals [Line Items]
Number of restaurants sold to franchisees	0	8		174		8
Proceeds from sales of restaurants	0	2,800		94,991		2,800
Net assets sold	0	(843)	[1]	(41,219)	[1]	(843)	[1]
Goodwill related to sales of restaurants	0	(681)		(12,643)		(681)
Net favorable lease assets	0	0		20,921	[2]	0
Other	0	0		478		0
Gain on sales of restaurants, net, before post-closing adjustments	0	1,276		62,528		1,276
Post-closing adjustments on sales of restaurants	470	0		(1,117)		0
Gain on sales of restaurants, net	470	1,276		61,411		1,276
Favorable Lease Assets				43,332
Unfavorable Lease Liabilities				(22,411)
Assets Held-for-sale, Long Lived	$ 0			$ 0

[1] Net assets sold consisted primarily of cash, inventory and equipment.

[2] During the first quarter of 2014, the Company recorded favorable lease assets of $43,332 and unfavorable lease liabilities of $22,411 as a result of leasing and/or subleasing land, buildings, and/or leasehold improvements to franchisees, in connection with sales of restaurants.