Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments & Hedging Activities (Details Textual)

v3.19.1
Derivative Instruments & Hedging Activities (Details Textual)
€ in Thousands
3 Months Ended
Mar. 30, 2019
USD ($)
Mar. 31, 2018
USD ($)
Mar. 30, 2019
EUR (€)
Dec. 29, 2018
USD ($)
Mar. 31, 2018
EUR (€)
Derivative Instruments And Hedging Activities Disclosures [Line Items]          
Interest expense $ 4,385,000 $ 483,000      
Purchase amount of forward foreign exchange currency contract | €         € 370,000
Carrying value of total long term non-revolving debt 96,355,000     $ 97,983,000  
Gain loss on derivative hedge recorded in AOCI as a part of currency translation adjustment 273,000        
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 33,648,000        
Revolving Credit Facility [Member] | Europe [Member]          
Derivative Instruments And Hedging Activities Disclosures [Line Items]          
Net investment hedge | €     € 30,000    
Cash Flow Hedging [Member]          
Derivative Instruments And Hedging Activities Disclosures [Line Items]          
Interest expense 4,385,000        
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 200,000,000        
Annual decrease in derivative notional amount $ 25,000,000        
Derivative contract effective date Aug. 02, 2018        
Derivative contract expire date Apr. 03, 2023