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Income Taxes (Additional Information) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income Tax Disclosure [Abstract] |  |  |
Income tax expense | $ 252.8 | $ 235.1 | $ 294.5
Income tax expense, percent of earnings before income taxes | 24.20% | 23.80% | 33.70%
Income tax benefit attributable to discrete income tax items |  | $ 7.1 |
Undistributed earnings from foreign subsidiaries | $ 288.1 |  |

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