Derivative Instruments and Hedging Activities - Net Investment Hedge Gains (Losses) Recognized on Condensed Consolidated Statements of Comprehensive Income (Detail) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2024 |
Sep. 30, 2023 |
Sep. 30, 2024 |
Sep. 30, 2023 |
|
| Derivative Instruments Gain Loss [Line Items] | ||||
| Amount of Gain (Loss) Recognized in AOCI | $ (111.2) | $ 64.7 | $ (7.0) | $ 44.6 |
| Euro Notes [Member] | ||||
| Derivative Instruments Gain Loss [Line Items] | ||||
| Amount of Gain (Loss) Recognized in AOCI | (44.4) | 32.2 | (11.6) | 8.4 |
| Cross-currency Interest Rate Swaps [Member] | ||||
| Derivative Instruments Gain Loss [Line Items] | ||||
| Amount of Gain (Loss) Recognized in AOCI | $ (66.8) | $ 32.5 | $ 4.6 | $ 36.2 |