Goodwill and Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 123,627	$ 131,390
Accumulated Amortization	(59,934)	(65,607)
Net Carrying Amount	63,693	65,783
Patents
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	23,764	22,703
Accumulated Amortization	(7,396)	(6,863)
Net Carrying Amount	16,368	15,840
Distribution agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	5,754	8,012
Accumulated Amortization	(4,656)	(6,794)
Net Carrying Amount	1,098	1,218
License agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	22,017	26,987
Accumulated Amortization	(8,337)	(12,746)
Net Carrying Amount	13,680	14,241
Trademarks
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	30,235	30,240
Accumulated Amortization	(10,202)	(9,477)
Net Carrying Amount	20,033	20,763
Covenants not to compete
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		964
Accumulated Amortization		(964)
Customer Lists
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	39,357	39,984
Accumulated Amortization	(29,343)	(28,763)
Net Carrying Amount	10,014	11,221
In-process technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,500	2,500
Net Carrying Amount	$ 2,500	$ 2,500