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Divestitures and Discontinued Operations - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Business Combinations [Abstract] |  |  |
Loss on divestiture | $ 0.0 | $ 0.0 | $ 36.8
Loss from sale of discontinued operations |  | 187.6 | 0.0
Proceeds from Divestiture of Businesses |  | 42.2 |
Provision for income taxes |  | $ (45.0) | $ 0.0

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