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RENTAL EXPENSE, LEASES AND COMMITMENTS (Details) (USD $)
12 Months Ended
Dec. 28, 2013
Dec. 29, 2012
RENTAL EXPENSE, LEASES AND COMMITMENTS    
Rental expense $ 2,299,000 $ 2,031,000
Future minimum rental commitments    
2014 1,595,000  
2015 1,388,000  
2016 1,262,000  
2017 1,084,000  
2018 836,000  
Thereafter 14,140,000  
Aggregates property lease
   
Future minimum rental commitments    
2014 354,000  
2015 354,000  
2016 354,000  
2017 354,000  
2018 354,000  
Thereafter $ 13,787,000