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Income Taxes (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Tax Credit Carryforward, Amount | $ 6.5 |  |  |  |  |  |  |  |  | $ 6.5 |  |
Increase (decrease) in deferred tax asset valuation allowance |  |  |  |  |  |  |  |  |  | (9.1) | 413.0 |
Deferred income taxes |  |  |  |  |  |  |  |  |  | (84.7) | (0.1) | 252.4
Preferred Investors, Aggregate, Investment First Phase | 75.0 |  |  |  |  |  |  |  |  | 75.0 |  |
Provision (benefit) for income taxes | (28.7) | (18.5) | (36.3) | (3.0) | 8.0 | (3.6) | (2.1) | (3.3) |  | (86.5) | (1.0) | 231.8
Other Comprehensive Income (Loss), Tax |  |  |  |  |  |  |  |  |  | 75.0 | 0 | 0
Discontinued Operation, Tax Effect of Discontinued Operation |  |  |  |  |  |  |  |  |  | 11.0 |  |
Liability for Uncertain Tax Positions, Noncurrent | 2.3 |  |  |  | 3.0 |  |  |  |  | 2.3 | 3.0 | 3.7
Unrecognized Tax Benefits, Income Tax Penalties Expense Reduction |  |  |  |  |  |  |  |  | 1.0 | 0.4 | 0.4 | 0.3
Income Tax Examination, Penalties and Interest Expense Reduction |  |  |  |  |  |  |  |  |  | 0.2 | 0.3 | 0.1
Income Tax Examination, Penalties and Interest Accrued | 0.6 |  |  |  | 0.8 |  |  |  |  | 0.6 | 0.8 |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Tax Credit Carryforward, Amount | 1.4 |  |  |  |  |  |  |  |  | 1.4 |  |
Domestic Tax Authority [Member] |  |  |  |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards | 226.5 |  |  |  |  |  |  |  |  | 226.5 |  |
Deferred income taxes |  |  |  |  |  |  |  |  |  | (83.0) | (0.2) | 237.2
State and Local Jurisdiction [Member] |  |  |  |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards | 45.0 |  |  |  |  |  |  |  |  | 45.0 |  |
Deferred income taxes |  |  |  |  |  |  |  |  |  | $ (1.7) | $ 0.1 | $ 15.2

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- Definition Tax effect allocated to a disposal group that is classified as a component of the entity reported as a separate component of income before extraordinary items. Includes the tax effects of the following: income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b),(c) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32672-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=18498875&loc=d3e38679-109324 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759 + Details
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Income Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6515339 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 + Details
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- Definition The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Carryforwards -URI http://asc.fasb.org/extlink&oid=6506874 + Details
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- Definition Amount of expense for penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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