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Capital Stock - Narrative (Details) | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Nov. 30, 2025 $ / shares | Sep. 30, 2025 vote $ / shares shares | Jun. 30, 2025 $ / shares | Mar. 31, 2025 $ / shares | Dec. 31, 2024 $ / shares shares | Sep. 30, 2024 $ / shares | Jun. 30, 2024 $ / shares | Mar. 31, 2024 $ / shares | Sep. 30, 2025 USD ($) vote shares | Dec. 31, 2024 USD ($) $ / shares shares | Nov. 06, 2025 USD ($) | Feb. 28, 2025 USD ($) | Oct. 31, 2023 USD ($)
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Authorized share capital (in shares) | shares |  | 233,333,000 |  |  | 233,333,000 |  |  |  | 233,333,000 | 233,333,000 |  |  |
Number of votes per share | vote |  | 1 |  |  |  |  |  |  | 1 |  |  |  |
Shareholder ownership threshold for voting rights |  |  |  |  |  |  |  |  | 9.50% |  |  |  |
Maximum number of votes per share for certain shareholders under 9.5% shareholder provision | vote |  | 1 |  |  |  |  |  |  | 1 |  |  |  |
Minimum number of votes per share for other shareholders under 9.5% shareholder provision | vote |  | 1 |  |  |  |  |  |  | 1 |  |  |  |
Quarterly cash dividends declared (in dollars per share) | $ / shares |  | $ 0.31 | $ 0.31 | $ 0.31 | $ 0.28 | $ 0.28 | $ 0.28 | $ 0.28 |  | $ 1.12 |  |  |
Share repurchase approved amount | $ |  |  |  |  |  |  |  |  |  |  |  | $ 500,000,000 | $ 250,000,000
Stock repurchased (in shares) | shares |  |  |  |  |  |  |  |  | 7,816,739 | 1,859,695 |  |  |
Stock repurchased, value | $ |  |  |  |  |  |  |  |  | $ 450,600,000 | $ 102,700,000 |  |  |
Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Quarterly cash dividends declared (in dollars per share) | $ / shares | $ 0.31 |  |  |  |  |  |  |  |  |  |  |  |
Share repurchase approved amount | $ |  |  |  |  |  |  |  |  |  |  | $ 500,000,000 |  |

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