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Retirement Benefit Obligations (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
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Non-qualified deferred compensation plan |  |  |  |
Disclosure of defined benefit plans [line items] |  |  |  |
Accrued (gain)/cost | $ (4,037) | $ (3,386) |  |
Pension Benefits |  |  |  |
Disclosure of defined benefit plans [line items] |  |  |  |
Accrued (gain)/cost | (173) | (207) | $ 359 | $ 417
Other post-retirement benefits |  |  |  |
Disclosure of defined benefit plans [line items] |  |  |  |
Accrued (gain)/cost | 1,253 | 1,131 | $ 1,097 | $ 1,405
Retirement benefit obligations |  |  |  |
Disclosure of defined benefit plans [line items] |  |  |  |
Accrued (gain)/cost | $ (5,117) | $ (4,310) |  |

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- Definition The fair value of any plan assets, less the present value of the defined benefit obligation. [Refer: Plan assets [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2024-01-01 -Paragraph 57 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2024-en-r&anchor=para_57_a&doctype=Standard -URIDate 2024-03-27 + Details
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