Segment Information - By Geographic Area (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Sales Revenue, Goods, Net [Abstract]
Net sales	$ 355.2	$ 302.5
Reportable Geographical Components | United States
Sales Revenue, Goods, Net [Abstract]
Net sales	202.0	182.6
Reportable Geographical Components | France
Sales Revenue, Goods, Net [Abstract]
Net sales	143.0	112.3
Reportable Geographical Components | Canada
Sales Revenue, Goods, Net [Abstract]
Net sales	$ 10.2	$ 7.6