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Employee Retirement Plans Summary of the Plans' Net Periodic Pension Cost, Benefit Obligations, Funded Status, and Net Balance Sheet Position (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jan. 01, 2022 | Jan. 02, 2021 | Dec. 28, 2019
Net Periodic Pension Cost: |  |  |
Curtailment loss | $ 0 | $ (14,682) | $ (865)
Change in Benefit Obligation: |  |  |
Curtailment loss | 0 |  |
Amounts recognized in balance sheet at year end: |  |  |
Accrued pension benefits | (219,680) | (469,500) |
Non US Plans |  |  |
Net Periodic Pension Cost: |  |  |
Service cost | 773 | 2,581 |
Interest cost | 17,340 | 25,966 |
Expected return on assets | (78,956) | (72,795) |
Amortization of net loss | (12,741) | (3,449) |
Amortization of prior service cost | 2,879 | 2,577 |
Curtailment loss | 0 | (14,682) |
Defined Benefit Plan, Net Periodic Benefit Cost | (45,223) | (23,540) |
Change in Benefit Obligation: |  |  |
Benefit obligation – beginning of year | 1,744,574 | 1,501,616 |
Service cost | 773 | 2,581 |
Prior service cost | 0 | 2,309 |
Interest cost | 17,340 | 25,966 |
Member contributions | 81 | 312 |
Actuarial (gain) loss | (135,475) | 186,945 |
Net benefit payments | (65,138) | (62,878) |
Curtailment loss |  | 14,682 |
Exchange effect | (18,008) | 73,041 |
Benefit obligation – end of year | 1,544,147 | 1,744,574 | 1,501,616
Change in Plan Assets: |  |  |
Plan assets at fair value – beginning of year | 1,296,516 | 1,231,181 |
Company contributions | 4,890 | 5,745 |
Investment gain | 123,708 | 69,824 |
Member contributions | 81 | 312 |
Benefit payments and plan expenses | (65,138) | (62,878) |
Exchange effect | (17,456) | 52,332 |
Plan assets at fair value – end of year | 1,342,601 | 1,296,516 | 1,231,181
Funded Status: |  |  |
Unfunded benefit obligation | (201,546) | (448,058) |
Amounts recognized in balance sheet at year end: |  |  |
Accrued pension benefits | (201,546) | (448,058) |
Pre-tax components in accumulated other comprehensive income at period end: |  |  |
Net actuarial loss | 281,745 | 479,554 |
Current year actuarial (gain) loss | (181,518) | 211,494 |
Actuarial loss recognized | (12,832) | (3,841) |
Prior service cost | 0 | 3,335 |
Prior service cost recognized | (3,457) | (1,550) |
Total amount recognized | 197,807 | (209,438) |
Accumulated Benefit Obligation | $ 1,544,117 | $ 1,744,536 |
Salary growth rate | 0.80% | 0.80% |
Assumed discount rate | 1.90% | 1.20% |
Expected return on assets | 6.20% | 6.20% |
USPlans |  |  |
Net Periodic Pension Cost: |  |  |
Service cost | $ 0 | $ 0 |
Interest cost | 841 | 1,043 |
Expected return on assets | (1,029) | (999) |
Amortization of net loss | (1,118) | (763) |
Amortization of prior service cost | 0 | 0 |
Curtailment loss | 0 | 0 |
Defined Benefit Plan, Net Periodic Benefit Cost | 930 | 807 |
Change in Benefit Obligation: |  |  |
Benefit obligation – beginning of year | 38,897 | 35,395 |
Service cost | 0 | 0 |
Prior service cost | 0 | 0 |
Interest cost | 841 | 1,043 |
Member contributions | 0 | 0 |
Actuarial (gain) loss | (1,617) | 4,146 |
Net benefit payments | (1,698) | (1,687) |
Curtailment loss | 0 | 0 |
Exchange effect | 0 | 0 |
Benefit obligation – end of year | 36,423 | 38,897 | 35,395
Change in Plan Assets: |  |  |
Plan assets at fair value – beginning of year | 17,455 | 16,744 |
Company contributions | 1,233 | 1,587 |
Investment gain | 1,299 | 811 |
Member contributions | 0 | 0 |
Benefit payments and plan expenses | (1,698) | (1,687) |
Exchange effect | 0 | 0 |
Plan assets at fair value – end of year | 18,289 | 17,455 | $ 16,744
Funded Status: |  |  |
Unfunded benefit obligation | (18,134) | (21,442) |
Amounts recognized in balance sheet at year end: |  |  |
Accrued pension benefits | (18,134) | (21,442) |
Pre-tax components in accumulated other comprehensive income at period end: |  |  |
Net actuarial loss | 7,419 | 10,424 |
Current year actuarial (gain) loss | (1,887) | 4,334 |
Actuarial loss recognized | (1,118) | (763) |
Prior service cost | 0 | 0 |
Prior service cost recognized | 0 | 0 |
Total amount recognized | 3,005 | (3,571) |
Accumulated Benefit Obligation | $ 36,423 | $ 38,897 |
Assumed discount rate | 2.60% | 2.20% |
Expected return on assets | 6.00% | 6.00% |

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- Definition Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(6) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6414203&loc=d3e39716-114964 + Details
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