Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments.

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Income Taxes Reconciliation of Effective Income Tax Rate (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								6 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2014	Jun. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Income (loss) before income taxes		$ (7.0)	$ 1.6	$ (15.6)		$ (13.0)	$ (12.4)	$ (27.4)	$ (14.0)	$ (39.8)	$ (21.0)	$ (52.8)	$ (105.5)	$ 39.7	$ (122.1)
Income tax expense (benefit) at statutory rate of 35.0%													(36.9)	13.9	(42.7)
Dividend received deduction													(2.0)	(1.2)	(1.5)
Valuation allowance increase (release)													43.1	(36.8)	61.3
Other, net													(0.4)	(0.6)	(0.1)
Income tax expense (benefit)	$ 10.4us-gaap_IncomeTaxExpenseBenefit	$ (11.8)us-gaap_IncomeTaxExpenseBenefit	$ 5.6us-gaap_IncomeTaxExpenseBenefit	$ (0.4)us-gaap_IncomeTaxExpenseBenefit	$ (7.1)us-gaap_IncomeTaxExpenseBenefit	$ 1.2us-gaap_IncomeTaxExpenseBenefit	$ (16.9)us-gaap_IncomeTaxExpenseBenefit	$ (1.9)us-gaap_IncomeTaxExpenseBenefit	$ 5.2us-gaap_IncomeTaxExpenseBenefit	$ (18.8)us-gaap_IncomeTaxExpenseBenefit	$ (6.6)us-gaap_IncomeTaxExpenseBenefit	$ (17.6)us-gaap_IncomeTaxExpenseBenefit	$ 3.8us-gaap_IncomeTaxExpenseBenefit	$ (24.7)us-gaap_IncomeTaxExpenseBenefit	$ 17.0us-gaap_IncomeTaxExpenseBenefit
Effective income tax rates													(3.60%)	(62.20%)	(13.90%)
Federal Statutory Income Tax Rate													35.00%	35.00%	35.00%