Loss Per Share Basic and Dilutive Earnings Per Share (Details) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2012		Sep. 30, 2011		Sep. 30, 2012		Sep. 30, 2011
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Basic net income (loss) available to common shareholders	$ 3.0		$ (180.3)		$ (105.1)		$ (325.0)
Dilutive net loss available to common shareholders	(60.8)		(180.3)		(105.1)		(325.0)
Basic weighted average shares outstanding	7,512		1,173		7,149		501
Stock options and restricted stock	31		0		0		0
6% Notes	18		0		0		0
Series B Notes	6,601		0		0		0
Dilutive weighted average shares outstanding	14,162		1,173		7,149		501
Basic earnings (loss) per share	$ 0.40		$ (153.74)		$ (14.16)		$ (649.29)
Diluted loss per share	$ (4.30)		$ (153.74)		$ (14.16)		$ (649.29)
6% Notes
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Effect of dilutive securities:	(11.8)	[1]	0	[1]	0	[1]	0	[1]
Senior B Notes
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Effect of dilutive securities:	$ (52.0)	[1]	$ 0	[1]	$ 0	[1]	$ 0	[1]

[1] 1The 6% and Series B Notes are recorded at a discount that accelerates upon conversion and contain a make-whole interest premium that would require us to pay interest as if the security was held to maturity upon conversion. These would result in incremental expense under the if converted method.