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Commitments and Contingencies (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 28, 2013
Construction Commitments  
Number of vendors, EPA Compliance Issue 1
New Store Construction Projects [Member]
 
Construction Commitments  
Construction projects for new stores $ 6.0
SSC Construction Commitments [Member]
 
Construction Commitments  
Property and construction commitments $ 22.0