Facilities Action Charges, Net System Optimization (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended		3 Months Ended		9 Months Ended					3 Months Ended		9 Months Ended			1 Months Ended	3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended
	Sep. 29, 2013 stores	Sep. 30, 2012	Sep. 29, 2013 System Optimization [Member] stores	Sep. 30, 2012 System Optimization [Member]	Sep. 29, 2013 System Optimization [Member]	Sep. 30, 2012 System Optimization [Member]	Sep. 29, 2013 Sale of Company-Owned Restaurants to Franchiees [Member]		Sep. 30, 2012 Sale of Company-Owned Restaurants to Franchiees [Member] stores	Sep. 29, 2013 Sale of Company-Owned Restaurants to Franchiees [Member] System Optimization [Member] stores		Sep. 29, 2013 Sale of Company-Owned Restaurants to Franchiees [Member] System Optimization [Member] stores		Sep. 29, 2013 Office and Restaurant Equipment [Member]	Nov. 06, 2013 Subsequent Event [Member] Sale of Company-Owned Restaurants to Franchiees [Member] System Optimization [Member] stores	Sep. 29, 2013 Accelerated Depreciation Expense [Member] System Optimization [Member]		Sep. 29, 2013 Accelerated Depreciation Expense [Member] System Optimization [Member]		Sep. 29, 2013 Severance, Retention and Other Payroll Costs [Member] System Optimization [Member]	Sep. 29, 2013 Severance, Retention and Other Payroll Costs [Member] System Optimization [Member]	Sep. 29, 2013 Consulting and Professional Fees [Member] System Optimization [Member]	Sep. 29, 2013 Consulting and Professional Fees [Member] System Optimization [Member]	Sep. 29, 2013 Other [Member] System Optimization [Member]	Sep. 29, 2013 Other [Member] System Optimization [Member]	Sep. 29, 2013 Share Based Compensation Expense [Member] System Optimization [Member]		Sep. 29, 2013 Share Based Compensation Expense [Member] System Optimization [Member]		Sep. 29, 2013 Properties and Other Intangible Assets [Member] System Optimization [Member]		Sep. 29, 2013 Properties and Other Intangible Assets [Member] System Optimization [Member]
Restructuring Cost and Reserve [Line Items]
Company Owned Restaurants to be Sold to Franchisees			425
Restructuring and Related Cost, Expected Cost			$ 25,900													$ 14,300				$ 7,000		$ 3,000				$ 1,600
Impairment of Long-Lived System Optimization Assets Held for Use	18,359	0																												12,421	[1]	18,359	[1]
Restructuring and Related Cost, Incurred Cost			21,557	0	26,356	0										3,130	[2]	3,130	[2]	6,131	6,131	704	829	81	93	755	[3]	755	[3]
Significant Changes, Franchises Sold									3	53		61			37
Proceeds from Sale of Property, Plant, and Equipment	18,384	6,273							2,293	22,871		25,671			25,685
Net Assets Sold										(13,646)	[4]	(14,489)	[4]
Goodwill, Period Increase (Decrease)										(5,621)		(6,302)
Net Lease Assets (Liabilities)										(1,884)	[5]	(1,884)	[5]
Other Costs										(22)		(22)
Gain (Loss) on Disposition of Property Plant Equipment Before Post Closing Purchase Price Adjustments										1,698		2,974
Post Closing Purchase Price Adjustments										(33)		(33)
Gain on sales of restaurants, net	2,941	0								1,665		2,941			4,047
Favorable Lease Assets							8,789	[5]
Unfavorable Lease Liabilities							(10,673)	[5]
Number of Restaurants Classified as Assets Held for Sale	367
Assets Held-for-sale, Long Lived														$ 56,569

[1] Includes remeasurement of land, buildings, leasehold improvements and favorable lease assets at all company-owned restaurants included in our system optimization initiative. See Note 6 for more information on non-recurring fair value measurements.

[2] Includes accelerated amortization of previously acquired franchise rights related to company-owned restaurants in territories that are being sold in connection with our system optimization initiative.

[3] Represents incremental share-based compensation resulting from the modification of stock options and performance-based awards in connection with the termination of employees under our system optimization initiative.

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

[5] The Company recorded favorable lease assets of $8,789 and unfavorable lease liabilities of $10,673 as a result of the lease and/or sublease of land, buildings, and/or leasehold improvements to franchisees, in connection with sales of restaurants.