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Additional Consolidated Income Statement and Cash Flow Information - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Interest and other investment income $ 1.0 $ 2.0 $ 2.7
Income taxes paid 299.3 245.5 210.4
Cash paid for interest $ 80.2 $ 78.7 $ 86.2