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Commitments and Contingencies - Additional Information (Detail) (USD $)
12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Dec. 25, 2010
Commitments and Contingencies [Line Items]      
Operating leases, initial term, years 20 years    
Rental income $ 40,367,000 $ 36,057,000 $ 32,576,000
Minimum future rental payment to be received, 2013 34,458,000    
Minimum future rental payment to be received, 2014 28,830,000    
Minimum future rental payment to be received, 2015 22,516,000    
Minimum future rental payment to be received, 2016 17,202,000    
Minimum future rental payment to be received, 2017 12,268,000    
Minimum future rental payment to be received, thereafter 53,672,000    
Trade Letter of Credit
     
Commitments and Contingencies [Line Items]      
Letter of credit to support purchase obligation 7,544,000    
Standby Letters of Credit
     
Commitments and Contingencies [Line Items]      
Letter of credit to support purchase obligation $ 10,233,000