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Income Taxes (Tables) | 9 Months Ended
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Sep. 30, 2018
Income Tax Disclosure [Abstract] |
Schedule of income tax provision and the respective effective income tax rates | Our income tax provision for the periods presented and the respective effective income tax rates for such periods are as follows (in millions, except for income tax rates):
|  | For the Three Months Ended |  | For the Nine Months Ended
|  | September 30, |  | September 30,
|  | 2018 |  | 2017 |  | 2018 |  | 2017
Income tax provision |  | $ | 23.0 |  |  | $ | 82.6 |  |  | $ | 42.7 |  |  | $ | 92.2 |
Effective income tax rate |  | 37.3 | % |  | 185.0 | % |  | 30.1 | % |  | 79.8 | %

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- Definition Tabular disclosure of the components of income tax expense and effective income tax rate attributable to continuing operations. + References No definition available. + Details
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- References No definition available. + Details
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