Goodwill and Other Intangibles - Other Intangibles (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Gross Asset Value, Beginning of Period	$ 536,851
Foreign currency translation adjustments and other	1,350
Gross Asset Value, End of Period	538,201
Accumulated Amortization, Beginning of Period	(182,229)
Amortization	(12,216)
Foreign currency translation adjustments and other	(917)
Accumulated Amortization, End of Period	(195,362)
Net Book Value	342,839	$ 354,622
Customer lists and relationships
Finite-Lived Intangible Assets [Line Items]
Gross Asset Value, Beginning of Period	422,462
Foreign currency translation adjustments and other	3,202
Gross Asset Value, End of Period	425,664
Accumulated Amortization, Beginning of Period	(116,749)
Amortization	(11,076)
Foreign currency translation adjustments and other	(956)
Accumulated Amortization, End of Period	(128,781)
Net Book Value	296,883	305,713
Trade names and trademarks
Finite-Lived Intangible Assets [Line Items]
Gross Asset Value, Beginning of Period	18,087
Foreign currency translation adjustments and other	(204)
Gross Asset Value, End of Period	17,883
Accumulated Amortization, Beginning of Period	(7,938)
Amortization	0
Foreign currency translation adjustments and other	(25)
Accumulated Amortization, End of Period	(7,963)
Net Book Value	9,920	10,149
Patents and technology
Finite-Lived Intangible Assets [Line Items]
Gross Asset Value, Beginning of Period	55,020
Foreign currency translation adjustments and other	39
Gross Asset Value, End of Period	55,059
Accumulated Amortization, Beginning of Period	(36,197)
Amortization	(678)
Foreign currency translation adjustments and other	(215)
Accumulated Amortization, End of Period	(37,090)
Net Book Value	17,969	18,823
Other
Finite-Lived Intangible Assets [Line Items]
Gross Asset Value, Beginning of Period	41,282
Foreign currency translation adjustments and other	(1,687)
Gross Asset Value, End of Period	39,595
Accumulated Amortization, Beginning of Period	(21,345)
Amortization	(462)
Foreign currency translation adjustments and other	279
Accumulated Amortization, End of Period	(21,528)
Net Book Value	$ 18,067	$ 19,937