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Derivatives - Additional Information (Details) - USD ($)
12 Months Ended
Jan. 02, 2021
Dec. 28, 2019
Dec. 29, 2018
Jan. 02, 2016
Derivatives, Fair Value [Line Items]        
Cash flow hedge loss to be reclassified within twelve months $ 324,000      
Forward Currency-Exchange Contracts | Derivatives Not Designated as Hedging Instruments        
Derivatives, Fair Value [Line Items]        
Loss on foreign currency derivative instruments, not designated as hedging $ 16,000 $ 46,000 $ 27,000  
Cash Flow Hedging | Derivatives Designated as Hedging Instruments        
Derivatives, Fair Value [Line Items]        
Rate of effectiveness of derivative agreement 100.00%      
Cash Flow Hedging | Swap Agreement 2018 | Derivatives Designated as Hedging Instruments        
Derivatives, Fair Value [Line Items]        
Notional amount     $ 15,000,000  
Derivative, fixed interest rate     3.15%  
Cash Flow Hedging | Swap Agreement 2015 | Derivatives Designated as Hedging Instruments        
Derivatives, Fair Value [Line Items]        
Notional amount       $ 10,000,000
Cash Flow Hedging | Swap Agreement 2015 | Derivatives Designated as Hedging Instruments | LIBOR        
Derivatives, Fair Value [Line Items]        
Derivative, fixed interest rate       1.50%
Cash Flow Hedging | Forward Currency-Exchange Contracts | Derivatives Designated as Hedging Instruments        
Derivatives, Fair Value [Line Items]        
Period over which entity manages its level of exposure of risk 12 months