Cash and Receivables Allowance for Doubtful Accounts (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 30, 2012		Jan. 01, 2012		Jan. 02, 2011	Jan. 03, 2010
Valuation and Qualifying Accounts Disclosure [Line Items]
Allowance for Doubtful Accounts Receivable, Current	$ 6,321		$ 4,053		$ 7,321	$ 6,540
Allowance for Doubtful Accounts Receivable, Noncurrent	2,881		963		3,778	22,566
Valuation Allowances And Reserves, Transfer Of Reserves Of Business Disposal	0		(5,504)		0
Valuation Allowances And Reserves, Uncollectible Accounts Written Off, Net Of Recoveries	(28)		(843)		(6,474)
Valuation Allowances and Reserves, Balance	9,202		5,016		11,099
Franchisees [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Allowance for Doubtful Accounts Receivable, Noncurrent	2,881	[1]	963	[1]
Valuation Allowances and Reserves, Charged to Cost and Expense	670		264		9,694
Notes Receivable [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Valuation Allowances and Reserves, Charged to Cost and Expense	0		0		(21,227)
Breakfast expansion [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Valuation Allowances And Reserves, Breakfast Notes Receivable Fully Reserved	$ 3,544		$ 0		$ 0

[1] Included in “Deferred costs and other assets.”