Restructuring and Impairment Activities (Details) - USD ($)		3 Months Ended								12 Months Ended
	Dec. 18, 2019	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense		$ 1,700,000	$ 1,600,000	$ 400,000	$ 0	$ 300,000	$ 400,000	$ 600,000	$ 400,000	$ 3,700,000	$ 1,700,000	$ 8,100,000
United States
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense												100,000
Belgium and United States
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense												2,600,000
Asset Impairment Charge | United States and China
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense										1,100,000
AMS
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense										1,100,000	1,500,000	2,700,000
AMS | Employee Severance | United States
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense											1,100,000
AMS | Asset Impairment Charge | United States
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense											400,000
EP
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense										2,600,000	200,000	5,300,000
EP | Philippines
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense												4,000,000.0
Proceeds from divestiture of businesses	$ 13,300,000
EP | Employee Severance | Brazil, France and United States
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense										2,600,000
EP | Employee Severance | France
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense											200,000
EP | Employee Severance | France and United States
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense												800,000
EP | Asset Impairment Charge | France and United States
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense												500,000
EP | Asset Impairment Charge | Philippines
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense										0	0	4,000,000.0
Gain on disposal											300,000
Corporate, Non-Segment
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense										$ 0.0	$ 0.0	$ 100,000