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Shareholders' Deficit - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Feb. 09, 2021
Stockholders Equity [Line Items] |  |  |  |
Common shares, shares outstanding | 101,200,000 | 99,200,000 | 97,900,000 |
Preference shares authorized | 7,500,000 |  |  |
Preference shares par value | $ 0.002 |  |  |
Share repurchase program authorized amount |  |  |  | $ 1,500.0
Share repurchase program, remaining authorized capacity | $ 985.5 |  |  |
Share repurchase program expiration date | Feb. 09, 2024 |  |  |
Shares repurchases, value | $ 8.3 | $ 11.0 | $ 146.7 |
Share repurchases | $ 8.3 | $ 11.0 | $ 146.7 |
Repurchase of common stock, shares | 900,000 | 600,000 | 4,100,000 |
Shares repurchases, inclusive of transaction costs | $ 0.0 | $ 0.0 | $ 131.8 |
Withheld for tax purpose for share-based compensation plans | 8.3 | 11.0 | 14.9 |
Repurchase of common stock, value | 8.3 | 11.0 | 146.7 |
Other comprehensive income (loss) before foreign currency translation adjustments reclassifications, tax expense (benefit) | (4.3) | 1.3 | 1.1 |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax |  | 0.2 |  |
Common Stock[Member] |  |  |  |
Stockholders Equity [Line Items] |  |  |  |
Repurchase of common stock, value | $ 0.0 | $ 0.0 | $ 0.0 |
Open market purchases [Member] | Common Stock[Member] |  |  |  |
Stockholders Equity [Line Items] |  |  |  |
Repurchase of common stock, shares | 0 | 0 | 3,700,000 |
Share price | $ 35.73 |  |  |
Repurchase of common stock, value | $ 131.8 |  |  |

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