Segment Reporting Net Sales (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Segment Reporting
Net sales	$ 3,091.3	$ 986.2	$ 5,540.0	$ 1,643.4
Maximum percentage of sales accounted for by a single customer (as a percent)			10.00%
UNITED STATES
Segment Reporting
Net sales	2,138.9	0.0	$ 3,888.8	0.0
Canada [Member]
Segment Reporting
Net sales	407.6	425.9	698.7	693.9
Europe [Member]
Segment Reporting
Net sales	524.7	522.1	906.3	880.8
International [Member]
Segment Reporting
Net sales	65.1	39.2	126.9	70.2
Corporate [Member]
Segment Reporting
Net sales	0.3	0.2	0.6	0.6
Intersegment sales elimination
Segment Reporting
Net sales	$ (45.3)	$ (1.2)	$ (81.3)	$ (2.1)