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Retirement Benefits Plan (Tables) | 12 Months Ended
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Dec. 31, 2021
Text Block [Abstract] |
Summary of defined contribution plans |
Years ended December 31, |  | 2021 |  |  | 2020 |  |  | 2019 |
Defined contribution plans |  | $ | 4,567 |  |  | $ | 4,514 |  |  | $ | 5,485 |
401(k) matched savings plan |  |  | 3,025 |  |  |  | 3,912 |  |  |  | 4,556 |
Net pension expense |  | $ | 7,592 |  |  | $ | 8,426 |  |  | $ | 10,041 |

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- Definition The disclosure of defined contribution plans. [Refer: Post-employment benefit expense, defined contribution plans] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 28 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_28&doctype=Standard -URIDate 2021-03-24 + Details
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