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Hedging Activities - Additional Information (Detail) - Foreign Exchange Contract - Designated as Hedging Instrument - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Derivative [Line Items] |  |
Percentage of effectiveness on net investment hedges | 100.00% |
Currency remeasurement gains (losses) | $ 32.8 | $ 69.5
British-Pound-Denominated Loans |  |
Derivative [Line Items] |  |
Hedge against net investment in foreign subsidiaries | 286.6 | 271.7
Euro Loan |  |
Derivative [Line Items] |  |
Hedge against net investment in foreign subsidiaries | $ 580.8 | $ 572.1

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