Notes Receivable (Details) (USD $) In Thousands, unless otherwise specified	Dec. 29, 2014		Dec. 30, 2013
Notes receivable [Line items]
Total notes receivable	$ 1,001		$ 1,001
Less: allowance for doubtful accounts	(450)	[1]	(450)
Total notes receivable	551		551
Sale of restaurant to a franchisee in 2010 [Member]
Notes receivable [Line items]
Total notes receivable	925		925
Other [Member]
Notes receivable [Line items]
Total notes receivable	$ 76		$ 76

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