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Common shares - Securities repurchase programs (Details) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 2 Months Ended | 3 Months Ended | 5 Months Ended | 10 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
May 31, 2023 | Dec. 31, 2022 | Aug. 31, 2022 | Jul. 31, 2022 | May 31, 2022 | Feb. 15, 2023 | Apr. 30, 2023 | Nov. 09, 2023 | Oct. 31, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | May 01, 2023 | Apr. 30, 2021 | May 31, 2018
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of treasury shares |  |  |  |  |  |  |  |  |  | $ 489,680 | $ 161,373 |  |  |  |
Repurchase / repayment of convertible notes |  |  |  |  |  |  |  |  |  | $ 0 | $ (83,968) | $ 0 |  |  |
Number of shares authorized (in shares) |  | 61,262,838 |  |  |  |  |  |  |  | 53,107,765 | 61,262,838 |  |  |  |
Entei, Inc. | Other related parties |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Entity's shares acquired (in shares) |  |  | 1,293,661 |  |  |  |  |  |  |  |  |  |  |  |
Shares repurchased, average purchase price (in dollars per share) |  |  | $ 38.65 |  |  |  |  |  |  |  |  |  |  |  |
Convertible Senior Notes Due 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount notes issued |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 81,500 | $ 203,500
Convertible Senior Notes Due 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount notes issued |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 81,500 |
Repurchase / repayment of convertible notes |  |  |  |  | $ 14,300 |  |  |  |  |  |  |  |  |  |
Gain (loss) on repurchase of convertible notes |  |  |  |  |  |  |  |  |  | $ 500 |  |  |  |  |
Common stock and Preference shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares authorized (in shares) |  |  |  |  |  |  |  |  |  | 175,000,000 |  |  |  |  |
Common stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares authorized (in shares) |  | 150,000,000 |  |  |  |  |  |  |  | 150,000,000 | 150,000,000 |  |  |  |
Par value per share (in dollars per share) |  | $ 0.01 |  |  |  |  |  |  |  | $ 0.01 | $ 0.01 |  |  |  |
Number of shares outstanding (in shares) |  | 61,262,838 |  |  |  |  |  |  |  | 53,107,765 | 61,262,838 |  |  |  |
Preference shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares authorized (in shares) |  |  |  |  |  |  |  |  |  | 25,000,000 |  |  |  |  |
Par value per share (in dollars per share) |  |  |  |  |  |  |  |  |  | $ 0.01 |  |  |  |  |
2020 Securities Repurchase Program | Entei, Inc. | Other related parties |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Entity's shares acquired (in shares) |  |  | 1,293,661 |  |  |  |  |  |  |  |  |  |  |  |
Shares repurchased, average purchase price (in dollars per share) |  |  | $ 38.65 |  |  |  |  |  |  |  |  |  |  |  |
2020 Securities Repurchase Program | Convertible Senior Notes Due 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount repurchased |  |  |  | $ 1,500 | 10,800 |  |  |  |  |  |  |  |  |  |
Repayments of bonds, notes and debentures |  |  |  | $ 1,700 | $ 12,600 |  |  |  |  |  |  |  |  |  |
2020 Securities Repurchase Program | Common stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Entity's shares acquired (in shares) |  |  |  |  |  |  |  |  | 3,120,341 |  |  |  |  |  |
Common stock, par value (in dollars per share) |  |  |  |  |  |  |  |  | $ 38.66 |  |  |  |  |  |
Shares repurchased on the open market (in shares) |  |  |  |  |  |  |  |  | 1,826,680 |  |  |  |  |  |
Average share price purchased on the open market (dollars per share) |  |  |  |  |  |  |  |  | $ 38.66 |  |  |  |  |  |
2022 Securities Repurchase Program | Common stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Authorized amount of share repurchase |  |  |  |  |  |  |  |  | $ 250,000 |  |  |  |  |  |
Entity's shares acquired (in shares) |  | 789,532 |  |  |  | 1,891,303 |  | 2,646,219 |  |  |  |  |  |  |
Common stock, par value (in dollars per share) |  | $ 51.61 |  |  |  | $ 50.27 |  | $ 47.25 |  |  |  |  |  |  |
2023 Securities Repurchase Program | Common stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Authorized amount of share repurchase |  |  |  |  |  | $ 250,000 |  |  |  |  |  |  | $ 250,000 |  |
Entity's shares acquired (in shares) | 3,699,336 |  |  |  |  |  | 1,723,465 |  |  |  |  |  |  |  |
Common stock, par value (in dollars per share) | $ 47.54 |  |  |  |  |  | $ 54.37 |  |  |  |  |  |  |  |
Stock buyback program, remaining authorized amount |  |  |  |  |  |  |  |  |  | $ 250,000 |  |  |  |  |
Additional amount authorized for purchase of treasury shares | 250,000,000 |  |  |  |  |  |  | 250,000,000 |  |  |  |  |  |  |

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