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Derivatives - Narrative (Details)
3 Months Ended 6 Months Ended
Jul. 04, 2015
USD ($)
Jul. 04, 2015
USD ($)
Jun. 28, 2014
USD ($)
Jan. 16, 2015
USD ($)
Forward Currency-Exchange Contracts [Abstract]        
Recognized gains $ 6,000 $ 7,000 $ 36,000  
Interest Rate Swap Agreements [Member]        
Interest Rate Swaps [Abstract]        
Rate of effectiveness of interest rate swap agreement (in hundredths)   100.00%    
Maximum consolidated leverage ratio   3.5    
Minimum consolidated interest coverage ratio   3    
Unrealized loss on derivatives   $ 180,000    
Foreign Exchange Forward [Member]        
Forward Currency-Exchange Contracts [Abstract]        
Maximum period over which entity manages its level of exposure of risk   24 months    
Three Month LIBOR [Member] | 2006 Swap [Member]        
Interest Rate Swaps [Abstract]        
Derivative, basis spread on variable rate 5.63% 5.63%    
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Swap Agreement 2015 [Member]        
Interest Rate Swaps [Abstract]        
Derivative, notional amount       $ 10,000,000
Fixed rate of interest (in hundredths)       1.50%