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Financial Instruments and Fair Value Measurements (Narrative) (Details)
€ in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2020
USD ($)
Mar. 31, 2019
USD ($)
Feb. 18, 2020
USD ($)
Dec. 31, 2019
USD ($)
Mar. 31, 2018
EUR (€)
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]          
Borrowings outstanding $ 161,000     $ 126,000  
Interest expense 1,030 $ 1,003      
Payment of earn-out consideration paid within operating activities (633) 469      
Earn-out consideration cash payment within financing activities   3,394      
Transfers in or out of Level 3 0        
Cash Flow Hedging [Member] | U.S. Dollar Denominated Foreign Currency Forward Contracts Euro Functional Currency [Member]          
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]          
Notional amounts 2,100     0  
Cash Flow Hedging [Member] | Mexican Peso-Denominated Foreign Currency Forward Contracts [Member]          
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]          
Notional amounts 22,746     $ 0  
Cash Flow Hedging [Member] | Interest Rate Swap [Member]          
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]          
Notional amounts     $ 50,000    
Interest expense 4        
Cash Flow Hedging [Member] | Interest Rate Swap [Member] | Credit Facility [Member]          
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]          
Borrowings outstanding 161,000        
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Forward Currency Contracts [Member]          
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]          
Notional amounts 24,846        
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Interest Rate Swap [Member]          
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]          
Notional amounts 50,000        
Electronics [Member]          
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]          
Interest expense $ 87 56      
Orlaco [Member]          
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]          
Earn-out consideration   8,474     € 7,500
Payment of earn-out consideration paid within operating activities   5,080      
Earn-out consideration cash payment within financing activities   $ 3,394