Pension and Post-Retirement Benefits - Classification of Net Periodic Pension (Income) Costs (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net periodic benefit costs	$ (1.4)	$ (0.1)	$ (4.0)	$ (0.3)	$ (0.4)
Cost of Sales
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net periodic benefit costs	(1.2)	(0.6)	(3.0)	(1.5)
SG&A Expenses
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net periodic benefit costs	(0.2)	0.6	(0.5)	1.8
Inventories
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net periodic benefit costs	$ 0	$ (0.1)	$ (0.5)	$ (0.6)