Pension and Post-Retirement Benefits - Additional Information (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended				1 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012 plan		Jan. 31, 2014	Jan. 31, 2013	Jan. 31, 2015
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Curtailments			$ 1.7
Net periodic benefit costs	(5.4)	(0.4)	3.9
Expected contributions to benefit plans	20
Pension curtailment gain	0	0	0.2	[1]
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments			1.5
Number of Qualified Defined Benefit Pension Plans Merged During Period			2
Number of Qualified Defined Benefit Pension Plans Covering Substantial Portion of Company's Employees in the U.S.			2
Cost of Sales
Defined Benefit Plan Disclosure [Line Items]
Net periodic benefit costs	(4.2)	(2.3)
SG&A Expenses
Defined Benefit Plan Disclosure [Line Items]
Net periodic benefit costs	(0.7)	2.4
Inventories
Defined Benefit Plan Disclosure [Line Items]
Net periodic benefit costs	(0.5)	(0.5)
Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Net periodic benefit costs	(6.0)	(1.3)	2.9
Contributions made to benefit plans	18.2	17.7
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments	0	0	1.5
Other Post-Retirement Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Net periodic benefit costs	0.6	0.9	1.0
Contributions made to benefit plans	0.7	0.8
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments	0	0	0
Savings Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent	6.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	3.00%
Defined Contributions Plan Employer Matching Cash Contributions	2.4
Defined Contribution Plan, Employer Discretionary Contribution Amount	4.0	4.1	3.9
Defined Contribution Plan Discretionary Contribution Paid	3.1	3.2	3.0		0.9	0.9
Defined Contribution Plan Employer Discretionary Contribution Percentage	3.00%	3.00%	3.00%
Savings Plan [Member] | Non Highly Compensated Participants [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Contribution Plan Employee Maximum Contribution Percentage	25.00%
Savings Plan [Member] | Highly Compensated Participants [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Contribution Plan Employee Maximum Contribution Percentage	6.00%
Subsequent Event [Member] | Savings Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Contribution Plan Discretionary Contribution Paid							$ 0.9

[1] (c) As a result of the September 2012 Program, the Company recognized a curtailment gain of $1.7 million, partially offset by $0.1 million of accumulated actuarial losses and $0.1 million of prior service costs previously reported within Accumulated Other Comprehensive Loss, for a net gain of $1.5 million, which was recorded within restructuring charges for 2012. See Note 14, “Savings Plan, Pension and Post-retirement Benefits,” for further discussion of the Company’s pension and other post-retirement plans.