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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% |

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