Shareholders' Equity - Reclassification Out of Accumulated Other Comprehensive Income (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income tax provision									$ 3.1		$ 1.4		$ 1.4
Net loss	(14.4)	(61.4)	(21.4)	(17.5)	16.7	(34.9)	(5.1)	(21.1)	(114.7)	[1]	(44.4)	[1]	(340.7)
Selling, general and administrative									174.7		181.6		191.1
Restructuring and other									13.6		11.3		21.1
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net loss									(2.0)
Gains (Losses) on Cash Flow Hedges | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of goods sold									(5.5)
Income tax provision									2.1
Net loss									(3.4)
Pension Adjustments | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income tax provision									0.2
Net loss									1.4
Selling, general and administrative									0.2
Restructuring and other									$ 1.0

[1] The sum of the quarterly loss per share may not equal the annual loss per share due to changes in average shares outstanding.