Supplemental Financial Information - Allocation of Restructuring and Impairment Charges to Operating Segments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Restructuring Cost and Reserve [Line Items]
Total restructuring and impairment charges	$ 2,485	$ 4,038	$ 3,567
Allocated restructuring charges | Advanced Connectivity Solutions
Restructuring Cost and Reserve [Line Items]
Total restructuring and impairment charges	0	244	1,305
Allocated restructuring charges | Elastomeric Material Solutions
Restructuring Cost and Reserve [Line Items]
Total restructuring and impairment charges	948	2,152	834
Allocated restructuring charges | Power Electronics Solutions
Restructuring Cost and Reserve [Line Items]
Total restructuring and impairment charges	0	136	621
Allocated impairment charges | Advanced Connectivity Solutions
Restructuring Cost and Reserve [Line Items]
Total restructuring and impairment charges	1,537	1,506	161
Allocated impairment charges | Elastomeric Material Solutions
Restructuring Cost and Reserve [Line Items]
Total restructuring and impairment charges	0	0	103
Allocated impairment charges | Power Electronics Solutions
Restructuring Cost and Reserve [Line Items]
Total restructuring and impairment charges	$ 0	$ 0	$ 543