Goodwill and Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 119,643	$ 131,390
Accumulated Amortization	(59,926)	(65,607)
Net Carrying Amount	59,717	65,783
Patents
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	24,492	22,703
Accumulated Amortization	(7,863)	(6,863)
Net Carrying Amount	16,629	15,840
Distribution agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	5,754	8,012
Accumulated Amortization	(4,723)	(6,794)
Net Carrying Amount	1,031	1,218
License agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	21,957	26,987
Accumulated Amortization	(8,698)	(12,746)
Net Carrying Amount	13,259	14,241
Trademarks
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	30,242	30,240
Accumulated Amortization	(10,936)	(9,477)
Net Carrying Amount	19,306	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	34,698	39,984
Accumulated Amortization	(27,706)	(28,763)
Net Carrying Amount	6,992	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