Other Assets and Other Liabilities (Details 1) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Components of Other Liabilities reported on the consolidated balance sheets
Accrued operating lease expense	$ 48.6	$ 56.3
Pension and other post-retirement liabilities	68.2	112.8
Deferred gains on sale-leasebacks	53.3	47.2
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	3.9	3.2
Environmental reserves	14.7	15.6
Deferred income	6.7	11.8
Derivatives	3.6	3.4
Other Liabilities, Noncurrent	31.6	32.6
Total	$ 230.6	$ 282.9