Background and Basis of Presentation (Details) $ in Millions						1 Months Ended	12 Months Ended
	Oct. 31, 2015 USD ($)	Aug. 01, 2015 USD ($)	Jul. 01, 2014 USD ($)	Jan. 31, 2013 USD ($)	Jan. 31, 2013 USD ($)	Jul. 31, 2014 item	Dec. 31, 2015 USD ($) item	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Background and Basis of Presentation
Number of primary operations | item							2
Proceeds from sale of paper mill							$ 5.4
Cash paid to acquire business							$ 118.2	$ 72.4
Cash payment									$ 5.2
FiberMark
Background and Basis of Presentation
Purchase price		$ 118.0
Cash paid to acquire business		$ 80.0
Crane Technical Materials
Background and Basis of Presentation
Purchase price			$ 72.0
Number of manufacturing facilities | item						2
Cash payment			$ 72.0
Lahnstein Mill
Background and Basis of Presentation
Proceeds from sale of paper mill	$ 5.4
Southworth Company
Background and Basis of Presentation
Cash payment				$ 7.0	$ 7.0