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Income Taxes (Valuation Allowance on Deferred Tax Assets) (Details) (USD $)
In Millions, unless otherwise specified |
Dec. 31, 2012
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Internal Revenue Service (IRS)
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| Operating Loss Carryforwards [Line Items] | |
| Total net operating losses | $ 104.0 |
| Operating loss carryforwards, valuation allowance | 182.5 |
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Internal Revenue Service (IRS) | General Business Tax Credit Carryforward
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| Operating Loss Carryforwards [Line Items] | |
| Tax credit carryforwards | 4.3 |
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State and Local Jurisdiction
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| Operating Loss Carryforwards [Line Items] | |
| Operating loss carryforwards | 365.9 |
| Operating loss carryforwards, valuation allowance | $ 22.1 |
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- Definition
Net Operating Loss, Total No definition available.
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- Definition
The sum of domestic, foreign and state and local operating loss carryforwards, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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