Income Taxes - Quarterly Disclosure (Details9) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Investments, Owned, Federal Income Tax Note [Line Items]
Income tax (provision) benefit	$ (8.0)us-gaap_IncomeTaxExpenseBenefit	$ 10.0us-gaap_IncomeTaxExpenseBenefit
Effective Income Tax Rate Continuing Operations	38.80%	38.50%
Income Tax Reconciliation Other Adjustments		2.2
Federal
Investments, Owned, Federal Income Tax Note [Line Items]
Proceeds from Income Tax Refunds	$ 59.9

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

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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

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-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

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-Glossary Income Tax Expense (or Benefit)

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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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 other adjustments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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The amount of cash received during the period as refunds for the overpayment of taxes.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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