Segment Information - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended			9 Months Ended
	Jan. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Mar. 31, 2015	Sep. 30, 2016	Sep. 30, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from the sale of business, net					$ 0	$ 28,550
Technical Nonwovens
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Intercompany revenue		$ 4,500	$ 4,100		$ 13,600	$ 9,500
Vital Fluids
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from the sale of business, net	$ 30,100
Gain on sale of business, net of tax				$ 11,800