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RENTAL EXPENSE, LEASES AND COMMITMENTS (Details) (USD $)
12 Months Ended
Jan. 03, 2015
Dec. 28, 2013
Dec. 29, 2012
RENTAL EXPENSE, LEASES AND COMMITMENTS      
Rental expense $ 2,763,000us-gaap_OperatingLeasesRentExpenseNet $ 2,299,000us-gaap_OperatingLeasesRentExpenseNet $ 2,031,000us-gaap_OperatingLeasesRentExpenseNet
2015 1,592,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent    
2016 1,368,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears    
2017 855,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears    
2018 451,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears    
2019 54,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears    
Thereafter $ 0us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter