Annual report pursuant to Section 13 and 15(d)

Income Taxes NOL (Details)

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Income Taxes NOL (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2011
Federal [Member]
Sep. 30, 2010
Federal [Member]
Operating Loss Carryforwards [Line Items]      
Existing NOL subject to annual NOL utilization limitation     $ 855
Federal NOL   595.4 855.0
Future Benefit to be reflected in APIC $ 21.2