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Summary of Significant Accounting Policies (Detail Textuals 3) (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jul. 05, 2014
Jan. 04, 2014
Property, Plant and Equipment [Line Items]    
Decrease in deferred tax asset and valuation allowance $ (1,100)  
Total net deferred tax asset 90,400 88,300
Workers' compensation liability risk 800  
Limited of self-insured retention for each claim involving comprehensive general liability (including product liability claims) 800  
Auto liability risk 2,000  
Limit for other insurable risks, physical loss to property (in dollars per occurrence) 100  
Limits for other insurable risks, medical benefit plans (in dollars per occurrence) 300  
Self insurance reserves $ 7,100 $ 6,900
Minimum
    
Property, Plant and Equipment [Line Items]    
Long - lived assets estimated useful life 5 years  
Maximum
    
Property, Plant and Equipment [Line Items]    
Long - lived assets estimated useful life 40 years