Segment Information by Geographic Area (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Net sales [Abstract]
Consolidated net sales	$ 420.8	$ 454.1	$ 850.6	$ 966.2
Reportable Geographical Components [Member] | United States [Member]
Net sales [Abstract]
Consolidated net sales	175.4	189.8	341.0	409.8
Reportable Geographical Components [Member] | France
Net sales [Abstract]
Consolidated net sales	103.7	90.6	203.8	182.0
Reportable Geographical Components [Member] | United Kingdom [Member]
Net sales [Abstract]
Consolidated net sales	59.1	81.3	132.3	180.7
Reportable Geographical Components [Member] | Other Europe [Member]
Net sales [Abstract]
Consolidated net sales	75.3	80.7	160.2	162.5
Reportable Geographical Components [Member] | Other North America [Member]
Net sales [Abstract]
Consolidated net sales	$ 7.3	$ 11.7	$ 13.3	$ 31.2