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Pension and Other Post-retirement Benefits - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Oct. 31, 2021 | Oct. 25, 2020 | Oct. 27, 2019
Pension and Other Post-retirement Benefits |  |  |
Total costs, defined contribution benefit plans | $ 46,700 | $ 44,500 | $ 43,000
Pension Benefits |  |  |
Pension and Other Post-retirement Benefits |  |  |
Pension plans accumulated benefit obligation | 1,700,000 | 1,600,000 |
Expected contribution representing benefit payments for unfunded plans during next fiscal year | 31,100 |  |
Fair value of investments | 1,698,596 | 1,553,532 | 1,477,288
Pension Benefits | Significant Unobservable Inputs (Level 3) |  |  |
Pension and Other Post-retirement Benefits |  |  |
Fair value of investments | 109,419 | 83,838 | 84,901
Pension Benefits | Private Equity |  |  |
Pension and Other Post-retirement Benefits |  |  |
Commitments for investments | $ 125,000 |  |
Post-retirement Benefits |  |  |
Pension and Other Post-retirement Benefits |  |  |
Increase in per capita cost of covered health care benefits assumed for next fiscal year (as a percent) | 8.00% |  |
Expected ultimate pre-Medicare and post-Medicare rate (as a percent) | 5.00% |  |
Year that reaches the ultimate trend rate | 2027 |  |
Fair value of investments | $ 0 | $ 0 | $ 0
Minimum | Pension Benefits |  |  |
Pension and Other Post-retirement Benefits |  |  |
Amortization period of actuarial gains and losses and any adjustments resulting from plan amendments | 8 years |  |
Minimum | Pension Benefits | Private Equity | Significant Unobservable Inputs (Level 3) |  |  |
Pension and Other Post-retirement Benefits |  |  |
Fair value of investments | $ 83,800 |  |
Minimum | Post-retirement Benefits |  |  |
Pension and Other Post-retirement Benefits |  |  |
Amortization period of actuarial gains and losses and any adjustments resulting from plan amendments | 4 years |  |
Maximum | Pension Benefits |  |  |
Pension and Other Post-retirement Benefits |  |  |
Amortization period of actuarial gains and losses and any adjustments resulting from plan amendments | 20 years |  |
Maximum | Pension Benefits | Private Equity | Significant Unobservable Inputs (Level 3) |  |  |
Pension and Other Post-retirement Benefits |  |  |
Fair value of investments | $ 109,400 |  |
Maximum | Post-retirement Benefits |  |  |
Pension and Other Post-retirement Benefits |  |  |
Amortization period of actuarial gains and losses and any adjustments resulting from plan amendments | 15 years |  |
Weighted Average | Pension Benefits | Private Equity | Significant Unobservable Inputs (Level 3) |  |  |
Pension and Other Post-retirement Benefits |  |  |
Fair value of investments | $ 97,600 |  |

X
- Definition Represents the amortization period of actuarial gains and losses and any adjustments resulting from plan amendments, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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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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