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Intangible Assets (Intangible Assets Other Than Goodwill) (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]    
Gross $ 175,860 $ 191,974
Accumulated Amortization (109,706) (107,192)
Net 66,154 84,782
Customer relationships    
Finite-Lived Intangible Assets [Line Items]    
Gross 51,160 51,137
Accumulated Amortization (49,417) (48,695)
Net 1,743 2,442
Acquired technology    
Finite-Lived Intangible Assets [Line Items]    
Gross 45,894 55,480
Accumulated Amortization (11,925) (10,707)
Net 33,969 44,773
Trade names    
Finite-Lived Intangible Assets [Line Items]    
Gross 30,496 35,930
Accumulated Amortization (13,705) (12,455)
Net 16,791 23,475
Patent costs    
Finite-Lived Intangible Assets [Line Items]    
Gross 18,714 18,673
Accumulated Amortization (10,823) (10,909)
Net 7,891 7,764
Acquired patents    
Finite-Lived Intangible Assets [Line Items]    
Gross 16,426 17,499
Accumulated Amortization (14,716) (15,661)
Net 1,710 1,838
Other    
Finite-Lived Intangible Assets [Line Items]    
Gross 13,170 13,255
Accumulated Amortization (9,120) (8,765)
Net $ 4,050 $ 4,490