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Lease Commitments (Details) (USD $)
12 Months Ended
Jan. 03, 2015
Dec. 28, 2013
Dec. 29, 2012
Commitments and Contingencies Disclosure [Abstract]      
2013 $ 14,062,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent    
2014 9,435,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears    
2015 6,954,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears    
2016 4,402,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears    
2017 3,227,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears    
2018 and thereafter 10,023,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter    
Future minimum payments due 48,103,000us-gaap_OperatingLeasesFutureMinimumPaymentsDue    
Operating Leases, Rent Expense, Net $ 14,900,000us-gaap_OperatingLeasesRentExpenseNet $ 11,000,000us-gaap_OperatingLeasesRentExpenseNet $ 8,800,000us-gaap_OperatingLeasesRentExpenseNet