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Employee Benefit Plans (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Oct. 02, 2021 | Oct. 03, 2020 | Sep. 28, 2019
Defined Benefit Plan Disclosure |  |  |
One-time pension settlement charge | $ 0 | $ 121,324 | $ 0
Profit share expense | $ 34,257 | 21,968 | $ 33,250
Class B Common Stock |  |  |
Defined Benefit Plan Disclosure |  |  |
Number of shares owned by the participants under RSP (in shares) | 1,644,078 |  |
Pension Plan |  |  |
Defined Benefit Plan Disclosure |  |  |
Total accumulated benefit obligation | $ 832,053 | $ 868,316 |
Trust for Unqualified Plan |  |  |
Defined Benefit Plan Disclosure |  |  |
Estimated future employer contributions in next fiscal year | 5,200 |  |
Postretirement Benefit Plan |  |  |
Defined Benefit Plan Disclosure |  |  |
Plan assets | $ 0 |  |
Discount rate | 2.50% | 2.30% | 3.00%
Service cost discount rate | 2.50% | 3.10% | 4.30%
Interest cost discount rate | 1.40% | 2.50% | 3.80%
Assumed annual per capita rate of increase of medical and drug costs for next fiscal year | 7.80% |  |
Defined benefit plan, ultimate trend rate | 4.50% |  |
U.S. Plans | Pension Plan |  |  |
Defined Benefit Plan Disclosure |  |  |
Pension settlement reduced projected benefit obligation | $ 0 | $ 486,615 |
Pension settlement reduced fair value of assets | 0 | 486,615 |
One-time pension settlement charge |  | 121,324 |
Curtailment gain | $ 0 | $ 0 | $ 0
Assumptions for pension expense, average rate of return on plan assets | 5.00% | 4.50% | 5.30%
Plan assets | $ 40,873 | $ 30,887 |
Discount rate | 3.20% | 3.00% | 3.30%
Service cost discount rate | 3.10% | 3.50% | 4.40%
Interest cost discount rate | 2.60% | 2.90% | 4.10%
U.S. Plans | Equity securities | Pension Plan |  |  |
Defined Benefit Plan Disclosure |  |  |
Actual Plan Asset Allocations | 35.00% | 37.00% |
U.S. Plans | Fixed income securities | Pension Plan |  |  |
Defined Benefit Plan Disclosure |  |  |
Actual Plan Asset Allocations | 65.00% | 63.00% |
Non-U.S. Plans | Pension Plan |  |  |
Defined Benefit Plan Disclosure |  |  |
Pension settlement reduced projected benefit obligation | $ 58,604 | $ 2,999 |
Pension settlement reduced fair value of assets | 58,604 | 2,999 |
Curtailment gain | $ 5,830 | $ (100) | $ 0
Assumptions for pension expense, average rate of return on plan assets | 3.20% | 2.70% | 3.50%
Estimated future employer contributions in next fiscal year | $ 7,900 |  |
Plan assets | $ 9,266 | $ 3,862 |
Discount rate | 1.80% | 1.40% | 1.60%
Service cost discount rate | 1.50% | 1.60% | 2.90%
Interest cost discount rate | 1.20% | 1.30% | 2.60%
Non-U.S. Plans | One of our non-U.S. plans | Pension Plan |  |  |
Defined Benefit Plan Disclosure |  |  |
Pension settlement reduced projected benefit obligation | $ 63,333 |  |
Pension settlement reduced fair value of assets | 57,643 |  |
Curtailment gain | $ 5,830 |  |
Non-U.S. Plans | Equity securities | Pension Plan |  |  |
Defined Benefit Plan Disclosure |  |  |
Actual Plan Asset Allocations | 32.00% | 24.00% |
Assumptions for pension expense, assumed average asset allocation | 40.00% |  |
Non-U.S. Plans | Fixed income securities | Pension Plan |  |  |
Defined Benefit Plan Disclosure |  |  |
Actual Plan Asset Allocations | 63.00% | 38.00% |
Assumptions for pension expense, assumed average asset allocation | 60.00% |  |

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- Definition Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level. + 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 (e) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Definition Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit from event reducing expected years of future service of present employees or eliminating accrual of defined benefits for some or all future services of present employees. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 3A -URI http://asc.fasb.org/extlink&oid=123453770&loc=SL108413299-114919 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(7) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a)(7) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e2709-114920 + Details
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