Schedule of Income Tax Provision (Benefit) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Components Of Income Tax Expense Benefit Continuing Operations Abstract
Current: Federal	$ (47.9)	$ (127.5)	$ 82.3
Current: State	(4.0)	(10.2)	8.7
Current: Foreign	9.8	7.9	9.0
Total Current	(42.1)	(129.8)	100.0
Deferred: Federal	34.1	62.7	(27.6)
Deferred: State	(0.2)	4.6	0.1
Deferred: Foreign	(0.5)	(1.1)	(0.1)
Total Deferred	33.4	66.2	(27.6)
Income tax provision (benefit) from continuing operations	(8.7)	(63.6)	72.4
Income tax provision (benefit) from discontinued operations	(0.3)	161.4	3.8
Total company income tax provision (benefit)	$ (9.0)	$ 97.8	$ 76.2