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Goodwill and Other Intangible Assets (Changes in Intangible Assets) (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, Ending Gross Amount $ 291,443 $ 286,739  
Finite-lived intangible assets, Accumulated Amortization (249,318) (233,391)  
Indefinite-lived intangible assets, Ending Gross Amount 81,824 82,640  
Indefinite-lived intangible assets, Accumulated Amortization $ (1,701) (1,485)  
Minimum      
Finite-Lived Intangible Assets [Line Items]      
Useful Life (Years) 4 years    
Maximum      
Finite-Lived Intangible Assets [Line Items]      
Useful Life (Years) 40 years    
Engineering drawings      
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, Ending Gross Amount $ 92,105 88,830  
Finite-lived intangible assets, Accumulated Amortization $ (91,808) (88,256)  
Engineering drawings | Minimum      
Finite-Lived Intangible Assets [Line Items]      
Useful Life (Years) 10 years    
Engineering drawings | Maximum      
Finite-Lived Intangible Assets [Line Items]      
Useful Life (Years) 22 years    
Existing customer relationships      
Finite-Lived Intangible Assets [Line Items]      
Useful Life (Years)     5 years
Finite-lived intangible assets, Ending Gross Amount $ 80,643 79,472  
Finite-lived intangible assets, Accumulated Amortization $ (76,121) (70,015)  
Existing customer relationships | Minimum      
Finite-Lived Intangible Assets [Line Items]      
Useful Life (Years) 5 years    
Existing customer relationships | Maximum      
Finite-Lived Intangible Assets [Line Items]      
Useful Life (Years) 10 years    
Patents      
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, Ending Gross Amount $ 26,388 25,639  
Finite-lived intangible assets, Accumulated Amortization $ (26,388) (25,639)  
Patents | Minimum      
Finite-Lived Intangible Assets [Line Items]      
Useful Life (Years) 9 years    
Patents | Maximum      
Finite-Lived Intangible Assets [Line Items]      
Useful Life (Years) 16 years    
Other      
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, Ending Gross Amount $ 92,307 92,798  
Finite-lived intangible assets, Accumulated Amortization $ (55,001) $ (49,481)  
Other | Minimum      
Finite-Lived Intangible Assets [Line Items]      
Useful Life (Years) 4 years    
Other | Maximum      
Finite-Lived Intangible Assets [Line Items]      
Useful Life (Years) 40 years