Goodwill and Other Intangible Assets (Intangible Assets) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]
Intangible assets, Gross carrying amount	$ 758,228		$ 758,228		$ 755,738
Intangible assets, Accumulated amortization	(248,544)		(248,544)		(222,938)
Amortization expense	8,600	$ 8,400	25,600	$ 24,100
Future amortization expense [Abstract]
Remaining, 2020	8,470		8,470
2021	33,523		33,523
2022	32,369		32,369
2023	31,588		31,588
2024	30,777		30,777
2025	31,023		31,023
Amortization included in expense
Future amortization expense [Abstract]
Remaining, 2020	6,970		6,970
2021	27,523		27,523
2022	26,369		26,369
2023	25,588		25,588
2024	24,777		24,777
2025	25,023		25,023
Amortization recorded as a reduction of revenue
Future amortization expense [Abstract]
Remaining, 2020	1,500		1,500
2021	6,000		6,000
2022	6,000		6,000
2023	6,000		6,000
2024	6,000		6,000
2025	6,000		6,000
Trademarks & tradenames
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]
Unamortized intangible assets, Gross carrying amount	86,544		86,544		86,544
Customer and distributor relationships
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]
Amortized intangible assets, Gross carrying amount	342,523		342,523		342,568
Intangible assets, Accumulated amortization	(129,706)		(129,706)		(115,311)
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		149,376
Intangible assets, Accumulated amortization	(52,500)		(52,500)		(48,000)
Patents and other intangible assets
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]
Amortized intangible assets, Gross carrying amount	73,181		73,181		70,646
Intangible assets, Accumulated amortization	(48,267)		(48,267)		(46,456)
Developed technology
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]
Amortized intangible assets, Gross carrying amount	106,604		106,604		106,604
Intangible assets, Accumulated amortization	(18,071)		(18,071)		$ (13,171)
Asset acquisition, contingent consideration liability	$ 6,000		$ 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)			15 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