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Aggregate Amortization Expense (Detail) (USD $)
In Thousands, unless otherwise specified
Apr. 20, 2013
Dec. 29, 2012
Finite-Lived Intangible Assets [Line Items]    
Cost $ 251,095 $ 239,095
Accumulated Amortization 41,050 37,211
Net Value 210,045 201,884
Trademarks
    
Finite-Lived Intangible Assets [Line Items]    
Cost 71,727 71,727
Accumulated Amortization 9,998 9,243
Net Value 61,729 62,484
Customer Relationships
    
Finite-Lived Intangible Assets [Line Items]    
Cost 169,921 157,921
Accumulated Amortization 26,658 24,275
Net Value 143,263 133,646
Noncompete Agreements
    
Finite-Lived Intangible Assets [Line Items]    
Cost 4,274 4,274
Accumulated Amortization 2,335 1,719
Net Value 1,939 2,555
Distribution Rights
    
Finite-Lived Intangible Assets [Line Items]    
Cost 4,123 4,123
Accumulated Amortization 1,009 924
Net Value 3,114 3,199
Supply Agreement
    
Finite-Lived Intangible Assets [Line Items]    
Cost 1,050 1,050
Accumulated Amortization $ 1,050 $ 1,050