RESTRUCTURING - Narrative (Details) $ in Thousands	1 Months Ended	3 Months Ended				12 Months Ended			39 Months Ended
	Apr. 30, 2017 USD ($)	Sep. 30, 2020 USD ($) production_line	Jun. 30, 2020 USD ($) facility	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($) facility	Dec. 31, 2020 USD ($) facility	Dec. 31, 2019 USD ($) facility	Dec. 31, 2018 USD ($)	Mar. 31, 2020 USD ($)
Restructuring Cost and Reserve [Line Items]
Non-cash restructuring expenditures						$ 5,800
Restructuring expenses						15,903	$ 767	$ 2,297
Impairment of long-lived assets			$ 12,438
Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring expenses						400
Performance Materials
Restructuring Cost and Reserve [Line Items]
Impairment of long-lived assets			$ 12,438	$ 12,400			$ 1,200
Performance Materials | Operating Segments
Restructuring Cost and Reserve [Line Items]
Restructuring expenses						15,500
Performance Materials | Sealing and Advanced Solutions
Restructuring Cost and Reserve [Line Items]
Number of facilities operating | facility			4		5		5
Impairment of 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
Restructuring expenses		$ 5,400
Performance Materials | Europe
Restructuring Cost and Reserve [Line Items]
Restructuring expenses						$ 10,500
Number of facilities closed | facility						2
Performance Materials | Minimum
Restructuring Cost and Reserve [Line Items]
Estimated pre-tax restructuring expense		19,000
Restructuring, expected costs resulting in future cash expenditures		13,200
Performance Materials | Minimum | Europe
Restructuring Cost and Reserve [Line Items]
Estimated pre-tax restructuring expense						$ 3,100
Performance Materials | Maximum
Restructuring Cost and Reserve [Line Items]
Estimated pre-tax restructuring expense		21,000
Restructuring, expected costs resulting in future cash expenditures		$ 15,200
Performance Materials | Maximum | Europe
Restructuring Cost and Reserve [Line Items]
Estimated pre-tax restructuring expense						5,100
Technical Nonwovens
Restructuring Cost and Reserve [Line Items]
Estimated pre-tax restructuring expense	$ 3,700
Restructuring, expected costs resulting in future cash expenditures	3,300
Total pre-tax expense incurred						15,903	$ 767	2,297	$ 18,967
Restructuring expenses							800	2,300
Impairment of long-lived assets			$ 0
Cash outflows for restructuring program	$ 3,800					$ 1,193	806
Technical Nonwovens | Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring expenses							600	1,900
Technical Nonwovens | Selling, Product Development and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring expenses							200	400
Technical Nonwovens | Operating Segments
Restructuring Cost and Reserve [Line Items]
Restructuring expenses							$ 800	$ 2,300