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Accumulated Other Comprehensive Loss | 12 Months Ended
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Dec. 31, 2024
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Accumulated Other Comprehensive Loss | Accumulated Other Comprehensive Loss
| Year ended
| December 31, 2024 | December 31, 2023
| (in thousands)
Currency translation adjustments | $ | (234,075) |  | $ | (149,148) |
Remeasurement of retirement benefit obligations | 1,726 |  | 7,803 |
Gain / (loss) on cash flow hedge | 2,420 |  | (2,161) |
Total | $ | (229,929) |  | $ | (143,506) |

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