Notes Receivable (Details) (USD $) In Thousands, unless otherwise specified	Dec. 30, 2013		Dec. 31, 2012
Notes receivable [Line Items]
Total notes receivable	$ 1,001		$ 1,035
Less: allowance for doubtful accounts	(450)	[1]	0
Total other assets	551		1,035
Sale of restaurants to a franchisee in 2010 [Member]
Notes receivable [Line Items]
Total notes receivable	925		885
Other [Member]
Notes receivable [Line Items]
Total notes receivable	$ 76		$ 150

[1] Denotes a reserve on a note receivable from a franchisee included in the summary of the reserve for doubtful accounts in Note 2. Accounts Receivable.