Share capital - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 6 Months Ended | 12 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
Sep. 19, 2025 |
Aug. 20, 2025 |
Jun. 23, 2025 |
Mar. 19, 2025 |
Jun. 30, 2025 |
Mar. 31, 2025 |
Jun. 30, 2026 |
Dec. 31, 2025 |
Jul. 22, 2025 |
Feb. 18, 2025 |
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| Equity [Abstract] | ||||||||||
| Total number of shares purchased (in shares) | 866,512 | 560,100 | 1,717,181 | 1,360,537 | 0 | 4,504,330 | ||||
| Stock repurchase program, additional amount authorized | $ 500,000 | $ 750,000 | ||||||||
| Remaining authorization to repurchase | $ 750,000 | $ 900,200 | $ 500,000 | $ 750,000 | $ 750,000 | |||||
| Average price paid per share (in USD per share) | $ 173.33 | $ 178.20 | $ 145.59 | $ 183.75 | $ 166.51 | |||||
| Share repurchase program, value of shares repurchased | $ 250,000 | $ 250,000 | $ 750,000 | |||||||
| X | ||||||||||
- Definition Share Repurchase Program, Authorized, Additional Amount No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount remaining authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Number of shares that have been repurchased and retired during the period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Total cost of shares repurchased divided by the total number of shares repurchased. No definition available.
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