Cash and Receivables Allowance for Doubtful Accounts (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Jan. 01, 2012	Jan. 02, 2011
Valuation and Qualifying Accounts Disclosure [Line Items]
Allowance for Doubtful Accounts Receivable, Current	$ 3,559	$ 6,321	$ 4,053	$ 7,321
Allowance for Doubtful Accounts Receivable, Noncurrent	275	2,881	963	3,778
Valuation Allowances And Reserves, Transfer Of Reserves Of Business Disposal	0	0	(5,504)
Valuation Allowances And Reserves, Uncollectible Accounts Written Off, Net Of Recoveries	(4,794)	(28)	(843)
Valuation Allowances and Reserves, Balance	3,834	9,202	5,016
Franchisees [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Allowance for Doubtful Accounts Receivable, Noncurrent	275	2,881
Valuation Allowances and Reserves, Charged to Cost and Expense	(574)	670	264
Breakfast expansion [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Valuation Allowances And Reserves, Breakfast Notes Receivable Fully Reserved	$ 0	$ 3,544	$ 0