Income Taxes Income Taxes - Schedule of Valuation Allowance (Details) - USD ($) $ in Millions |
Dec. 31, 2018 |
Dec. 31, 2017 |
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| Valuation Allowance for Impairment of Recognized Servicing Assets [Line Items] | ||
| Valuation allowance | $ 29.7 | $ 29.7 |
| Federal | ||
| Valuation Allowance for Impairment of Recognized Servicing Assets [Line Items] | ||
| Valuation allowance | 9.4 | 0.1 |
| State | ||
| Valuation Allowance for Impairment of Recognized Servicing Assets [Line Items] | ||
| Valuation allowance | 2.8 | 6.1 |
| Foreign | ||
| Valuation Allowance for Impairment of Recognized Servicing Assets [Line Items] | ||
| Valuation allowance | $ 17.5 | $ 23.5 |
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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