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Self-Insurance Reserve (Details) (USD $)
3 Months Ended
Mar. 29, 2014
Dec. 28, 2013
Mar. 30, 2013
Self-Insurance Reserve [Abstract]      
Self-insured employee medical stop loss limit $ 250,000    
Workers compensation and general liability deductible 500,000    
Self insurance reserve $ 41,800,000 $ 41,300,000 $ 35,900,000