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Employee Benefits (Detail Textuals) (USD $)
 12 Months Ended
Jan. 04, 2014
Dec. 29, 2012
Dec. 31, 2011
Employee Benefits [Abstract]      
Contribution to union administered multiemployer pension plans $ 1,300,000 $ 1,300,000 $ 1,200,000
Unfunded status 27,885,000 46,570,000  
Net adjustment to other comprehensive loss before tax 22,800,000 (8,200,000) (15,000,000)
Net adjustment to other comprehensive loss net of tax 13,910,000 (8,245,000) (14,969,000)
Estimated net loss expected to be amortized from accumulated other comprehensive loss into net periodic cost over the next fiscal year 800,000    
Accumulated benefit obligation for the hourly pension plan 103,700,000 111,100,000  
Contributions to the hourly defined contribution plan 100,000 100,000 100,000
Contributions to the salaried defined contribution plan 1,100,000 1,000,000  
Net adjustment to other comprehensive loss tax effect $ 8,900,000