Annual report pursuant to Section 13 and 15(d)

Derivative Instruments & Hedging Activities (Details Textual)

v3.19.3.a.u2
Derivative Instruments & Hedging Activities (Details Textual)
€ in Thousands
12 Months Ended
Dec. 28, 2019
USD ($)
Contract
Dec. 29, 2018
USD ($)
Dec. 30, 2017
USD ($)
Dec. 28, 2019
EUR (€)
Contract
Derivative Instruments And Hedging Activities Disclosures [Line Items]        
Interest expense $ 15,387,000 $ 13,876,000 $ 3,781,000  
Carrying value of total long term non-revolving debt 92,488,000 97,983,000    
Gain loss on derivative hedge recorded in AOCI as a part of currency translation adjustment 187,000      
Net investment hedge reclassified from AOCI into income 0      
Europe [Member]        
Derivative Instruments And Hedging Activities Disclosures [Line Items]        
Carrying value of total long term non-revolving debt $ 111,708,000      
Revolving Credit Facility [Member] | Europe [Member]        
Derivative Instruments And Hedging Activities Disclosures [Line Items]        
Net investment hedge | €       € 100,000
Forward Foreign Exchange Contracts [Member] | Derivatives Not Designated as Hedging Instruments [Member]        
Derivative Instruments And Hedging Activities Disclosures [Line Items]        
Derivative instrument, notional amount | €       € 62,342
Derivative contract expire date Jul. 31, 2021      
Derivative, number of instruments held | Contract 12     12
Cash Flow Hedging [Member]        
Derivative Instruments And Hedging Activities Disclosures [Line Items]        
Interest expense $ 15,387,000 $ 13,876,000    
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 175,000,000      
Annual decrease in derivative notional amount $ 25,000,000      
Derivative contract effective date Aug. 02, 2018      
Derivative contract expire date Apr. 03, 2023