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Current and long-term debt - Convertible senior notes due 2025 (Details) - USD ($) $ in Thousands |  | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Dec. 01, 2022 | May 31, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Jun. 30, 2021 | Apr. 30, 2021
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Repurchase / repayment of convertible notes |  |  | $ 0 | $ (83,968) | $ 0 |  |
Borrowings |  |  | 1,588,290 | 1,436,224 |  |  |
Interest expense on borrowings |  |  | 158,286 | 137,123 | 115,983 |  |
Non-cash accretion |  |  | 0 | 12,718 | $ 13,265 |  |
Gross carrying amount |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Borrowings |  |  | 1,617,439 | $ 1,948,592 |  |  |
Convertible Senior Notes Due 2025 |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Borrowings interest rate |  |  |  | 3.00% |  | 3.00% | 3.00%
Aggregate principal amount notes issued |  |  |  |  |  |  | $ 81,500
Borrowings, initial carrying value of liability component |  |  |  |  |  |  | 193,700
Carrying amount of equity component |  |  |  |  |  |  | $ 7,700
Repurchase of notes, face amount |  | $ 12,300 |  |  |  |  |
Repurchase / repayment of convertible notes |  | 14,300 |  |  |  |  |
Reduction of liability - convertible note |  | $ 14,800 |  |  |  |  |
Gain (loss) on repurchase of convertible notes |  |  | $ 500 |  |  |  |
Shares converted (in shares) |  |  | 5,757,698 | 5,757,698 |  |  |
Interest expense on borrowings |  |  |  | $ 5,200 |  |  |
Non-cash accretion |  |  |  | 11,300 |  |  |
Accreted principal amount |  |  |  | $ 9,800 |  |  |
Convertible Senior Notes Due 2025 | Gross carrying amount |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Borrowings | $ 198,900 |  |  |  |  |  |
Debt converted to equity | 205,100 |  |  |  |  |  |
Unamortized deferred financing costs | 2,100 |  |  |  |  |  |
Unamortized premium | 4,200 |  |  |  |  |  |
Accrued coupon interest | $ 100 |  |  |  |  |  |
Convertible Senior Notes Due 2025 | At Maturity |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Borrowings interest rate |  |  |  |  |  |  | 8.25%
Borrowings, accreted principal amount per $1,000 principal, percent |  |  |  |  |  |  | 125.30%
Convertible Senior Notes Due 2025 | March 2021 Convertible Notes Offering |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Aggregate principal amount notes issued |  |  |  |  |  |  | $ 118,500
Convertible Senior Notes Due 2025 | June 2021 Convertible Notes Offering |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Borrowings, issue price, percentage of par |  |  |  |  |  | 102.25% |
Notional amount issued |  |  |  |  |  | $ 43,300 |
Convertible Senior Notes Due 2025 | Compounds semi-annual |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Borrowings interest rate |  |  |  |  |  |  | 5.5202%

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