Goodwill and Other Intangibles - Other Intangibles (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Gross Asset Value, Beginning of Period	$ 565,418
Reclass to Assets Held for Sale	(1,473)
Foreign currency translation adjustments and other	(8,086)
Gross Asset Value, End of Period	555,859
Accumulated Amortization, Beginning of Period	(216,313)
Amortization	(12,800)
Reclass to Assets Held for Sale	1,457
Foreign currency translation adjustments and other	2,889
Accumulated Amortization, End of Period	(224,767)
Net Book Value	331,092	$ 349,105
Customer lists and relationships
Finite-Lived Intangible Assets [Line Items]
Gross Asset Value, Beginning of Period	448,748
Reclass to Assets Held for Sale	0
Foreign currency translation adjustments and other	(7,465)
Gross Asset Value, End of Period	441,283
Accumulated Amortization, Beginning of Period	(147,286)
Amortization	(11,615)
Reclass to Assets Held for Sale	0
Foreign currency translation adjustments and other	2,400
Accumulated Amortization, End of Period	(156,501)
Net Book Value	284,782	301,462
Trade names and trademarks
Finite-Lived Intangible Assets [Line Items]
Gross Asset Value, Beginning of Period	18,710
Reclass to Assets Held for Sale	0
Foreign currency translation adjustments and other	(227)
Gross Asset Value, End of Period	18,483
Accumulated Amortization, Beginning of Period	(8,176)
Amortization	0
Reclass to Assets Held for Sale	0
Foreign currency translation adjustments and other	60
Accumulated Amortization, End of Period	(8,116)
Net Book Value	10,367	10,534
Patents and technology
Finite-Lived Intangible Assets [Line Items]
Gross Asset Value, Beginning of Period	58,096
Reclass to Assets Held for Sale	0
Foreign currency translation adjustments and other	(154)
Gross Asset Value, End of Period	57,942
Accumulated Amortization, Beginning of Period	(39,500)
Amortization	(731)
Reclass to Assets Held for Sale	0
Foreign currency translation adjustments and other	345
Accumulated Amortization, End of Period	(39,886)
Net Book Value	18,056	18,596
Other
Finite-Lived Intangible Assets [Line Items]
Gross Asset Value, Beginning of Period	39,864
Reclass to Assets Held for Sale	(1,473)
Foreign currency translation adjustments and other	(240)
Gross Asset Value, End of Period	38,151
Accumulated Amortization, Beginning of Period	(21,351)
Amortization	(454)
Reclass to Assets Held for Sale	1,457
Foreign currency translation adjustments and other	84
Accumulated Amortization, End of Period	(20,264)
Net Book Value	$ 17,887	$ 18,513