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Restructuring and Impairment Activities (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense	$ 4,100,000	$ 1,300,000	$ 5,200,000	$ 4,000,000	$ 6,500,000	$ 3,300,000	$ 3,200,000	$ 100,000	$ 14,600,000	$ 13,100,000	$ 41,300,000
Restructuring Reserve [Roll Forward]
Balance at beginning of year				$ 8,700,000				$ 4,700,000	8,700,000	4,700,000
Accruals for announced programs									8,000,000	11,200,000
Cash payments									(8,300,000)	(6,300,000)
Exchange rate impacts									(700,000)	(900,000)
Balance at end of period	$ 7,700,000				$ 8,700,000				7,700,000	8,700,000	4,700,000
Engineered Papers [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense									14,400,000	11,300,000	41,000,000
Engineered Papers [Member] \| RTL facility [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense											37,200,000
Engineered Papers [Member] \| Employee Severance [Member] \| France, Brazil, And United States [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense									7,800,000	9,400,000
Engineered Papers [Member] \| Employee Severance [Member] \| France and United States [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense											3,800,000
Engineered Papers [Member] \| Asset Impairment Charge [Member] \| Polish and Brazil [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense									1,400,000
Engineered Papers [Member] \| Asset Impairment Charge [Member] \| Philippines [Member] \| RTL facility [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense									5,200,000
Engineered Papers [Member] \| Facility Closing [Member] \| Lee Mills And Golden Hills Manufacturing Facilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense										1,000,000
Engineered Papers [Member] \| Other Restructuring [Member] \| Canada Manufacturing Facility [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense										900,000
Advanced Materials & Structures [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense									(200,000)	400,000	0
Corporate, Non-Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense									$ 400,000	$ 1,400,000	$ 300,000