Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details)

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Commitments and Contingencies (Details) (USD $)
 12 Months Ended
Dec. 30, 2012
Dec. 25, 2011
Dec. 26, 2010
Commitments and Contingencies      
Minimum length of remaining non-cancelable terms, high end of range 1 year    
Maximum length of remaining non-cancelable terms, low end of range 15 years    
Rental expense related to land, building, and equipment leases      
Minimum rent $ 47,287,000 $ 43,756,000 $ 41,845,000
Contingent rent 1,861,000 1,821,000 1,632,000
Equipment rent under operating leases 788,000 748,000 740,000
Rental expense 49,936,000 46,325,000 44,217,000
Leases of owned land, buildings, and equipment to outside parties under non-cancelable operating leases      
Cost of the leased land, building and equipment 4,600,000 4,600,000  
Accumulated depreciation of the leased land, building and equipment 2,600,000 2,400,000  
Capital Leases      
2013 1,310,000    
2014 1,246,000    
2015 930,000    
2016 862,000    
2017 900,000    
Thereafter 8,350,000    
Total 13,598,000    
Less amount representing interest (3,603,000)    
Present value of future minimum lease payments 9,995,000    
Less current portion 784,000    
Long-term capital lease obligations 9,211,000    
Operating Leases      
2013 48,696,000    
2014 48,404,000    
2015 46,825,000    
2016 43,996,000    
2017 40,891,000    
Thereafter 157,259,000    
Total 386,071,000    
Rental Income      
2013 150,000    
2014 150,000    
2015 150,000    
2016 38,000    
Total 488,000    
Assets under capital lease included in property and equipment      
Assets under capital lease 20,300,000 20,000,000  
Accumulated depreciation $ 7,300,000 $ 6,700,000