Restructuring - Narrative (Details) $ in Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2020 USD ($) production_line facility	Mar. 31, 2020 USD ($) facility	Dec. 31, 2019 USD ($) facility	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) production_line facility	Sep. 30, 2019 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ 14,984			$ 0	$ 14,984	$ 0
Impairment of other long-lived assets		$ 12,438
Cash outflows for restructuring program	200				203
Corporate Office Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	200				200
Performance Materials
Restructuring Cost and Reserve [Line Items]
Non-cash restructuring expenditures					5,500
Impairment of other long-lived assets		$ 12,438	$ 1,200
Performance Materials | Operating Segments
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ 14,800				$ 14,800
Performance Materials | Sealing and Advanced Solutions
Restructuring Cost and Reserve [Line Items]
Number of facilities operating | facility		4	5
Impairment of other long-lived assets		$ 12,400	$ 1,200
Performance Materials | North America
Restructuring Cost and Reserve [Line Items]
Number of production lines closed | production_line	2				2
Restructuring expenses					$ 5,400
Performance Materials | Europe
Restructuring Cost and Reserve [Line Items]
Restructuring expenses					$ 9,600
Number of facilities closed | facility	2				2
Performance Materials | Minimum
Restructuring Cost and Reserve [Line Items]
Estimated pre-tax restructuring expense	$ 17,000				$ 17,000
Restructuring, expected costs resulting in future cash expenditures	11,500				11,500
Performance Materials | Minimum | Europe
Restructuring Cost and Reserve [Line Items]
Estimated pre-tax restructuring expense	2,000				2,000
Performance Materials | Maximum
Restructuring Cost and Reserve [Line Items]
Estimated pre-tax restructuring expense	20,000				20,000
Restructuring, expected costs resulting in future cash expenditures	14,500				14,500
Performance Materials | Maximum | Europe
Restructuring Cost and Reserve [Line Items]
Estimated pre-tax restructuring expense	$ 5,000				$ 5,000