Segment Reporting Net Sales (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Segment Reporting
Net sales	$ 700.0		$ 816.0
Maximum percentage of sales accounted for by a single customer (as a percent)	10.00%
Canada [Member]
Segment Reporting
Net sales	313.5		347.1
Europe [Member]
Segment Reporting
Net sales	357.9		437.6
MCI [Member]
Segment Reporting
Net sales	29.1		32.2
Corporate [Member]
Segment Reporting
Net sales	0.4		0.3
Intersegment sales elimination
Segment Reporting
Net sales	$ (0.9)	[1]	$ (1.2)	[1]

[1] Represents inter-segment sales from the Europe segment to the MCI segment.