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Supplemental Disclosures of Cash Flow Information - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]      
AMT credit and other U.S. federal refunds   $ (28.5) $ (20.0)
Tax-payment deferrals   20.0  
Tax returns   106.0  
Net operating losses in U.K. additional cash tax payments $ 49.0 $ 28.4  
Qualified Contributory Savings and Thrift 401(k) Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Matching contributions by employer, percentage 100.00%    
Percentage of eligible compensation for matching contributions by employer 5.00% 5.00%  
Matching contributions vesting schedule 5 years    
Contribution expense to plan $ 73.8 $ 65.7 $ 63.6
Employer matching contributions on eligible compensation 5.00% 5.00%