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Benefit Plans - Benefit Plan Related Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 30, 2023 | Dec. 31, 2022 | Jan. 01, 2022
Change in benefit obligation: |  |  |
Benefit obligation at beginning of year | $ 4,000 |  |
Service cost | 2,774 | $ 3,072 | $ 2,785
Interest cost | 3,795 | 2,529 | 1,761
Benefits paid from the plan assets | (2,100) |  |
Benefit obligation at end of year | 4,800 | 4,000 |
Change in plan assets at fair value: |  |  |
Fair value of plan assets at beginning of year | 35,433 |  |
Fair value of plan assets at end of year | 37,696 | 35,433 |
Amounts recognized in the Consolidated Balance Sheets consist of: |  |  |
Noncurrent assets | 79 | 262 |
Current benefit liability | (1,482) | (1,318) |
Noncurrent benefit liability | (34,422) | (28,037) |
Net liability recognized | (35,825) | (29,093) |
Pension Plan |  |  |
Change in benefit obligation: |  |  |
Benefit obligation at beginning of year | 64,526 | 86,570 |
Service cost | 2,774 | 3,072 |
Interest cost | 3,795 | 2,529 |
Net actuarial loss (gain) | 4,312 | (19,327) |
Benefits paid from the plan assets | (1,933) | (1,474) |
Benefits paid directly by the Company | (2,035) | (1,853) |
Settlements | (1,687) | (1,565) |
Acquisitions | 0 | 3,812 |
Effect of exchange rate movements | 3,769 | (5,839) |
Plan amendment and other | 0 | (1,399) |
Benefit obligation at end of year | 73,521 | 64,526 | 86,570
Change in plan assets at fair value: |  |  |
Fair value of plan assets at beginning of year | 35,433 | 48,325 |
Actual gain (loss) on plan assets | 1,358 | (9,217) |
Employer contributions | 1,821 | 2,288 |
Benefits paid from the plan assets | (1,933) | (1,474) |
Settlements | (463) | 0 |
Acquisitions | 0 | 0 |
Effect of exchange rate movements | 1,480 | (4,489) |
Fair value of plan assets at end of year | 37,696 | 35,433 | $ 48,325
Net amount unfunded status | $ (35,825) | $ (29,093) |

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- Definition Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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