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Valuation and qualifying accounts (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at beginning of period | $ 270,733 | $ 247,102 | $ 221,199
Additions | 41,385 | 59,760 | 91,077
Deductions | (31,339) | (33,789) | (22,392)
Remeasurement/Translation | (45,134) | (2,340) | (42,782)
Balance at end of period | 235,645 | 270,733 | 247,102
Accrual provisions | 7,201 | 24,260 | 27,041
Accrual reclassifications | 419 | 633 | 141
Accrual payments | 19,072 | 22,022 | 16,224
Allowance for doubtful accounts |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at beginning of period | 1,440 | 849 | 874
Additions | 766 | 838 | 732
Deductions | (1,636) | (309) | (715)
Remeasurement/Translation | (179) | 62 | (42)
Balance at end of period | 391 | 1,440 | 849
Allowance for doubtful accounts | Accounts receivable |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at beginning of period | 1,330 | 460 |
Balance at end of period | 294 | 1,330 | 460
Allowance for doubtful accounts | Other receivables |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at beginning of period | 110 | 389 |
Balance at end of period | 97 | 110 | 389
Valuation allowance on deferred tax assets |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at beginning of period | 218,674 | 201,414 | 186,239
Additions | 32,999 | 34,029 | 63,163
Deductions | (10,631) | (11,458) | (5,453)
Remeasurement/Translation | (36,144) | (5,311) | (42,535)
Balance at end of period | 204,898 | 218,674 | 201,414
Provision for contingencies |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at beginning of period | 50,619 | 44,839 | 34,086
Additions | 7,620 | 24,893 | 27,182
Deductions | (19,072) | (22,022) | (16,224)
Remeasurement/Translation | (8,811) | 2,909 | (205)
Balance at end of period | $ 30,356 | $ 50,619 | $ 44,839

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