Goodwill and Other Intangible Assets - Changes in Carrying Amount of Goodwill by Segment (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2020 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 262,930
Foreign currency translation adjustment	2,851
Goodwill, ending balance	265,781
Advanced Connectivity Solutions
Goodwill [Roll Forward]
Goodwill, beginning balance	51,694
Foreign currency translation adjustment	0
Goodwill, ending balance	51,694
Elastomeric Material Solutions
Goodwill [Roll Forward]
Goodwill, beginning balance	142,030
Foreign currency translation adjustment	(176)
Goodwill, ending balance	141,854
Power Electronics Solutions
Goodwill [Roll Forward]
Goodwill, beginning balance	66,982
Foreign currency translation adjustment	3,027
Goodwill, ending balance	70,009
Other
Goodwill [Roll Forward]
Goodwill, beginning balance	2,224
Foreign currency translation adjustment	0
Goodwill, ending balance	$ 2,224