Income Taxes Components of Provision for Income Taxes (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current
Federal	$ (1.3)	$ (3.3)	$ (24.7)
Other state and local	0.1	1.1	(0.2)
Foreign	12.1	10.2	9.9
Total current	10.9	8.0	(15.0)
Deferred
Federal	(9.3)	(347.1)	22.3
Other state and local	0	0	(1.4)
Foreign	(9.8)	3.9	(4.9)
Total deferred	(19.1)	(343.2)	16.0
Income tax expense (benefit)	(8.2)	(335.2)	1.0
Income tax expense (benefit), continuing operations, adjustment of deferred tax (asset) liability	8.5
Income tax expense (benefit), change in estimate	4.8
Income tax expense (benefit), other	(3.3)
Release of valuation allowance on net federal deferred tax assets in the U.S.		337.5
Net tax expense from amendment of state tax returns due to settlement of federal income tax audits	$ 1.3