Other Liabilities (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Other Liabilities Disclosure [Abstract]
Workers' compensation and other claims	$ 42.1	$ 44.2
Post-employment Benefits	42.0	40.2
Asset Retirement and Remediation Obligations	18.9	17.9
Employee Related Liabilities	14.0	17.1
Noncurrent tax liability	10.2	11.6
Other	43.4	46.4
Other Liabilities	$ 170.6	$ 177.4