Retirement and Other Postretirement Benefit Plans - Schedule of Amounts Recognized on Balance Sheet (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
U.S. Non-qualified Defined Benefit Retirement Plans
Amounts recognized on the balance sheet:
Accrued liabilities	$ 4.4	$ 23.8
Other non-current liabilities	16.4	18.1
Total accrued benefit	20.8	41.9
European Defined Benefit Retirement Plans
Amounts recognized on the balance sheet:
Noncurrent asset	9.3	2.7
Accrued liabilities	1.6	0.4
Other non-current liabilities	16.1	15.7
Total accrued benefit	17.7	16.1
Postretirement Health Care and Life Insurance Benefit Plans
Amounts recognized on the balance sheet:
Accrued liabilities	0.6	0.6
Other non-current liabilities	5.7	5.8
Total accrued benefit	$ 6.3	$ 6.4