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Business Combinations - Additional Information (Details)
$ in Thousands, € in Millions
1 Months Ended 3 Months Ended 12 Months Ended
Jul. 13, 2018
USD ($)
Jul. 13, 2018
EUR (€)
Jul. 06, 2018
USD ($)
Mar. 16, 2018
USD ($)
Mar. 09, 2018
USD ($)
Apr. 30, 2017
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Jul. 13, 2018
EUR (€)
Business Acquisition [Line Items]                      
Payment to acquire business, paid with cash on hand               $ 0 $ 27,067 $ 5,596  
Impairment of intangible assets             $ 10,500        
Acquisition and integration costs             800 800      
Nutfield                      
Business Acquisition [Line Items]                      
Payment to acquire business, paid with cash on hand           $ 5,496          
Laser Control Systems Limited                      
Business Acquisition [Line Items]                      
Payment to acquire business, paid with cash on hand         $ 1,749            
Payment for contingent consideration         $ 600            
Photocore AG                      
Business Acquisition [Line Items]                      
Payment to acquire business, paid with cash on hand       $ 2,445              
Lanmark Controls, Incorporated                      
Business Acquisition [Line Items]                      
Payment to acquire business, paid with cash on hand     $ 6,251                
Payment for contingent consideration     300                
Consideration transferred     $ 6,300                
Opto-Tech SRL                      
Business Acquisition [Line Items]                      
Payment for contingent consideration $ 2,200                    
Consideration transferred 21,600 € 18.5                  
Contingent consideration arrangements, range of outcomes, high $ 2,200                   € 2.0
Nutfield, Laser Control Systems, Photocore AG, Lanmark and Open Technologies                      
Business Acquisition [Line Items]                      
Taxes payable             $ 1,900 1,900      
Increase in goodwill               4,400      
Nutfield, Laser Control Systems, Photocore AG, Lanmark and Open Technologies | Customer relationships                      
Business Acquisition [Line Items]                      
Impairment of intangible assets               $ 2,600