Intangible Assets - Changes in Carrying Amount of Trademarks (Details) - Trademarks - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Indefinite-lived Intangible Assets [Roll Forward]
Trademarks, Beginning Balance	$ 40,270	$ 40,744
Translation impact	(164)	(474)
Trademarks, Ending Balance	40,106	40,270
Enterprise Solutions
Indefinite-lived Intangible Assets [Roll Forward]
Trademarks, Beginning Balance	31,063	31,063
Translation impact	0	0
Trademarks, Ending Balance	31,063	31,063
Industrial Solutions
Indefinite-lived Intangible Assets [Roll Forward]
Trademarks, Beginning Balance	9,207	9,681
Translation impact	(164)	(474)
Trademarks, Ending Balance	$ 9,043	$ 9,207