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Franchise Rights (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended 3 Months Ended
Mar. 31, 2013
Y
Dec. 30, 2012
Mar. 31, 2013
Franchise Rights [Member]
Y
Apr. 01, 2012
Franchise Rights [Member]
Finite-Lived Intangible Assets [Line Items]        
Franchise Term 20   20  
Impairment of Franchise Rights   $ 0 $ 0  
Amortization of Intangible Assets     993 798
Amortization Expense, All of 2013     4,111  
2014     4,111  
2015     4,111  
2016     4,111  
2017     4,111  
2018     $ 4,111