Franchise Rights (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2013	Jul. 01, 2012	Jun. 30, 2013 Y	Jul. 01, 2012	Dec. 30, 2012
Finite-Lived Intangible Assets [Line Items]
Franchise Term			20
Franchise Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Franchise Term			20
Impairment of Franchise Rights	$ 0		$ 0		$ 0
Amortization of Intangible Assets	1,100	900	2,100	1,700
Amortization Expense, All of 2013	4,100		4,100
2014	4,111		4,111
2015	4,111		4,111
2016	4,111		4,111
2017	4,111		4,111
2018	$ 4,111		$ 4,111