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Benefit Plans - Multi-Employer Plans (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 28, 2014
Dec. 29, 2013
Dec. 30, 2012
Multiemployer Plans [Line Items]      
Pension trust fund, Contribution $ 655us-gaap_MultiemployerPlanPeriodContributions $ 640us-gaap_MultiemployerPlanPeriodContributions $ 606us-gaap_MultiemployerPlanPeriodContributions
Employer-Teamsters and Pension Trust Fund [Member]      
Multiemployer Plans [Line Items]      
Pension Trust Fund Red Green  
Pension trust fund FIP/RP Status pending/implemented Implemented    
Pension trust fund, Surcharge imposed Yes