Segment Reporting Net Sales (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Segment Reporting
Net sales	$ 1,017.4	$ 1,168.0	$ 2,723.1	$ 3,172.5
Maximum percentage of sales accounted for by a single customer (as a percent)			10.00%
Canada [Member]
Segment Reporting
Net sales	411.2	507.2	$ 1,169.6	1,370.8
Europe [Member]
Segment Reporting
Net sales	566.0	618.7	1,448.7	1,685.7
MCI [Member]
Segment Reporting
Net sales	41.3	43.4	107.6	119.3
Corporate [Member]
Segment Reporting
Net sales	0.3	0.2	0.8	0.9
Intersegment sales elimination
Segment Reporting
Net sales	$ (1.4)	$ (1.5)	$ (3.6)	$ (4.2)