Segment Reporting Net Sales (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Segment Reporting
Net sales	$ 2,448.7	$ 657.2
Maximum percentage of sales accounted for by a single customer (as a percent)	10.00%
UNITED STATES
Segment Reporting
Net sales	$ 1,749.9	0.0
Canada [Member]
Segment Reporting
Net sales	291.1	268.0
Europe [Member]
Segment Reporting
Net sales	381.6	358.7
MCI [Member]
Segment Reporting
Net sales	61.8	31.0
Corporate [Member]
Segment Reporting
Net sales	0.3	0.4
Intersegment sales elimination
Segment Reporting
Net sales	$ (36.0)	$ (0.9)