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Derivatives - AOCI Activity (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 02, 2016
Jan. 03, 2015
Dec. 28, 2013
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
(Loss) gain recognized in AOCI $ 563 $ (159) $ 413
Derivatives Designated as Hedging Instruments | Cash Flow Hedging      
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Unrealized loss, net of tax, beginning balance (792)    
Loss (gain) reclassified to earnings (1,109)    
(Loss) gain recognized in AOCI 1,672    
Unrealized loss, net of tax, ending balance (229) (792)  
Derivatives Designated as Hedging Instruments | Cash Flow Hedging | Interest rate swap agreements      
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Unrealized loss, net of tax, beginning balance (366)    
Loss (gain) reclassified to earnings 270    
(Loss) gain recognized in AOCI (66)    
Unrealized loss, net of tax, ending balance (162) (366)  
Derivatives Designated as Hedging Instruments | Cash Flow Hedging | Forward Currency-Exchange Contracts      
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Unrealized loss, net of tax, beginning balance (426)    
Loss (gain) reclassified to earnings (1,379)    
(Loss) gain recognized in AOCI 1,738    
Unrealized loss, net of tax, ending balance $ (67) $ (426)