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Goodwill and Other Intangible Assets (Intangible Assets) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]      
Intangible assets, Gross carrying amount $ 759,362   $ 758,679
Intangible assets, Accumulated amortization (265,457)   (257,142)
Amortization expense 8,300 $ 8,500  
Future amortization expense [Abstract]      
Remaining, 2021 25,120    
2022 32,426    
2023 31,646    
2024 30,836    
2025 31,058    
2026 30,529    
Amortization included in expense      
Future amortization expense [Abstract]      
Remaining, 2021 20,620    
2022 26,426    
2023 25,646    
2024 24,836    
2025 25,058    
2026 24,529    
Amortization recorded as a reduction of revenue      
Future amortization expense [Abstract]      
Remaining, 2021 4,500    
2022 6,000    
2023 6,000    
2024 6,000    
2025 6,000    
2026 6,000    
Trademarks & tradenames      
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]      
Unamortized intangible assets, Gross carrying amount 86,544   86,544
Customer and distributor relationships      
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]      
Amortized intangible assets, Gross carrying amount 342,531   342,639
Intangible assets, Accumulated amortization (139,243)   (134,555)
Sales representation, marketing and promotional rights      
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]      
Amortized intangible assets, Gross carrying amount 149,376   149,376
Intangible assets, Accumulated amortization (55,500)   (54,000)
Patents and other intangible assets      
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]      
Amortized intangible assets, Gross carrying amount 74,307   73,516
Intangible assets, Accumulated amortization (49,356)   (48,882)
Developed technology      
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]      
Amortized intangible assets, Gross carrying amount 106,604   106,604
Intangible assets, Accumulated amortization (21,358)   $ (19,705)
Asset acquisition, contingent consideration liability $ 6,000    
Weighted Average      
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]      
Finite-lived intangible asset useful life (in years) 22 years    
Weighted Average | Customer and distributor relationships      
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]      
Finite-lived intangible asset useful life (in years) 24 years    
Weighted Average | Sales representation, marketing and promotional rights      
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]      
Finite-lived intangible asset useful life (in years) 25 years    
Weighted Average | Patents and other intangible assets      
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]      
Finite-lived intangible asset useful life (in years) 16 years    
Weighted Average | Developed technology      
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]      
Finite-lived intangible asset useful life (in years) 16 years