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Employee benefits - Cash award expenses related to tax effects (Details) - USD ($) $ in Thousands |  |  |  | 12 Months Ended
--- | --- | --- | --- | ---
Sep. 26, 2023 | Sep. 28, 2022 | Sep. 28, 2021 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of defined benefit plans [line items] |  |  |  |  |  |
Cost of revenues |  |  |  | $ 681,931 | $ 714,233 | $ 798,519
Research and development |  |  |  | 171,392 | 175,557 | 151,386
Sales and marketing |  |  |  | 23,856 | 25,459 | 23,080
Total compensation |  |  |  | 146,494 | 162,943 | 146,809
Income tax expense (benefit) |  |  |  | (5,028) | 41,098 | 110,657
Cash award expenses |  |  |  |  |  |
Disclosure of defined benefit plans [line items] |  |  |  |  |  |
Cost of revenues |  |  |  | 174 | 505 | 511
Research and development |  |  |  | 15,273 | 20,792 | 5,876
General and administrative |  |  |  | 1,401 | 2,250 | 678
Sales and marketing |  |  |  | 2,797 | 4,147 | 1,223
Total compensation |  |  |  | 19,645 | 27,694 | 8,288
Income tax expense (benefit) |  |  |  | $ 4,167 | $ 5,641 | $ 1,444
Total annual bonus cash payouts | $ 729 | $ 19,346 | $ 47,657 |  |  |
Vested on grant date | $ 187 | $ 1,015 | $ 1,582 |  |  |

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- Definition The amount of all expenses directly or indirectly attributed to the goods or services sold. Attributed expenses include, but are not limited to, costs previously included in the measurement of inventory that has now been sold, such as depreciation and maintenance of factory buildings and equipment used in the production process, unallocated production overheads, and abnormal amounts of production costs of inventories. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 99 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_99&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 103 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_103&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The expense of all forms of consideration given by an entity in exchange for a service rendered by employees or for the termination of employment. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 102 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_102&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 99 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_99&doctype=Standard -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 104 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_104&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of employee contributions to retirement benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 26 -IssueDate 2023-01-01 -Paragraph 35 -Subparagraph b -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=26&code=ifrs-tx-2023-en-r&anchor=para_35_b_ii&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of long-term employee benefits other than post-employment benefits and termination benefits. Such benefits may include long-term paid absences, jubilee or other long-service benefits, long-term disability benefits, long-term profit-sharing and bonuses and long-term deferred remuneration. [Refer: Employee benefits expense] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 158 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_158&doctype=Standard -URIDate 2023-03-23 + Details
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