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Shareholders' Deficit - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Feb. 09, 2021 | Aug. 31, 2022 | Jan. 31, 2021 | Aug. 31, 2020 | Aug. 31, 2018 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Feb. 08, 2021
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |
Repurchase of common stock, shares |  |  |  |  |  |  | 20,400,000 | 18,400,000 |
Common shares, shares outstanding |  |  |  |  |  | 97,900,000 | 100,800,000 | 120,100,000 |
Preference shares authorized |  |  |  |  |  | 7,500,000 |  |  |
Preference shares par value |  |  |  |  |  | $ 0.002 |  |  |
Share repurchase program authorized amount | $ 1,500.0 |  |  |  |  | $ 1,500.0 |  |  |
Share repurchase program, remaining authorized capacity |  |  |  |  |  | $ 985.5 |  |  | $ 7.9
Share repurchase program expiration date | Oct. 30, 2023 |  |  |  |  | Feb. 09, 2024 |  |  |
Shares repurchases, value |  |  |  |  |  | $ 146.7 | $ 1,011.3 | $ 923.5 |
Share repurchases |  |  |  |  |  | $ 146.7 | $ 1,011.3 | $ 923.5 |
Repurchase of common stock, shares |  |  |  |  |  | 4,100,000 | 21,000,000.0 | 19,000,000.0 |
Treasury stock shares, at cost |  |  |  |  |  | 0 | 10,000,000.0 |  |
Treasury Stock, Shares, Retired |  | 10,000,000.0 |  |  |  | 10,000,000.0 |  |  |
Decrease in value of treasury stock |  |  |  |  |  | $ 0.0 | $ (328.9) |  |
Shares repurchases, inclusive of transaction costs and issuance of CVR value |  |  |  |  |  | 131.8 | 982.7 | $ 893.9 |
Withheld for tax purpose for share-based compensation plans |  |  |  |  |  | 14.9 | 28.6 | 29.6 |
Repurchase of common stock, value |  |  |  |  |  | 146.7 | 1,011.3 | 923.5 |
Other comprehensive loss before unrealized gain (loss) on derivatives adjustments reclassifications, tax expense (benefit) |  |  |  |  |  |  |  | 0.6 |
Other comprehensive income (loss) before foreign currency translation adjustments reclassifications, tax expense (benefit) |  |  |  |  |  | $ 1.1 | $ 0.2 | (2.0) |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax |  |  |  |  |  |  |  | $ 0.2 |
Open market purchases [Member] | Common Stock[Member] |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |
Repurchase of common stock, shares |  |  |  |  |  | 3,700,000 |  | 3,000,000.0 |
Share price |  |  |  |  |  | $ 35.73 | $ 48.17 |  |
Treasury stock acquired, average cost per share |  |  |  |  |  |  |  | $ 47.40 |
Repurchase of common stock, shares |  |  |  |  |  |  | 7,900,000 |  |
Repurchase of common stock, value |  |  |  |  |  | $ 131.8 | $ 382.7 | $ 142.1 |
Open market purchases [Member] | Indirect wholly owned subsidiary [Member] |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |
Repurchase of common stock Per share |  |  |  |  |  |  | $ 48.10 | $ 48.53 |
Repurchase of common stock, value |  |  |  |  |  |  | $ 982.7 | $ 892.1 |
August 2020 Dutch Auction Tender Offer [Member] |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |
Share repurchases |  |  |  |  | $ 750.0 |  |  |  |
Treasury stock acquired, average cost per share |  |  |  | $ 48.75 |  |  |  |  |
Repurchase of common stock, shares |  |  |  | 15,400,000 |  |  |  |  |
Icahn Parties [Member] | Common Stock[Member] |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |
Share price |  |  | $ 48.05 |  |  |  |  |  |
Repurchase of common stock, shares |  |  | 12,500,000 |  |  |  |  |  |
Repurchase of common stock, value |  |  | $ 600.0 |  |  |  |  |  |

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