Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments & Hedging Activities (Details Textual)

v3.20.2
Derivative Instruments & Hedging Activities (Details Textual)
€ in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 27, 2020
USD ($)
Contract
Jun. 29, 2019
USD ($)
Jun. 27, 2020
USD ($)
Contract
Jun. 29, 2019
USD ($)
Jun. 27, 2020
EUR (€)
Contract
Dec. 28, 2019
USD ($)
Derivative Instruments And Hedging Activities Disclosures [Line Items]            
Interest expense $ 2,891 $ 4,048 $ 5,842 $ 8,433    
Carrying value of total long term revolving debt 94,163   94,163     $ 92,488
Gain loss on derivative hedge recorded in AOCI as a part of currency translation adjustment     335      
Net investment hedge reclassified from AOCI into income     164      
Europe [Member]            
Derivative Instruments And Hedging Activities Disclosures [Line Items]            
Carrying value of total long term revolving debt $ 100,948   $ 100,948      
Revolving Credit Facility [Member] | Europe [Member]            
Derivative Instruments And Hedging Activities Disclosures [Line Items]            
Net investment hedge | €         € 90,000  
Forward Foreign Exchange Contracts [Member] | Derivatives Not Designated as Hedging Instruments [Member]            
Derivative Instruments And Hedging Activities Disclosures [Line Items]            
Derivative instrument, notional amount | €         € 61,344  
Derivative contract expire date     Dec. 31, 2021      
Derivative, number of instruments held | Contract 10   10   10  
Cash Flow Hedging [Member]            
Derivative Instruments And Hedging Activities Disclosures [Line Items]            
Interest expense     $ 5,842 $ 8,433    
Cash Flow Hedging [Member] | Interest Rate Swap Contract [Member] | Derivatives Designated as Hedging Instruments [Member]            
Derivative Instruments And Hedging Activities Disclosures [Line Items]            
Derivative instrument, notional amount $ 175,000   175,000      
Annual decrease in derivative notional amount     $ 25,000      
Derivative contract effective date     Aug. 02, 2018      
Derivative contract expire date     Apr. 03, 2023