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POST-RETIREMENT BENEFIT PLANS - Weighted Average Asset Allocations at Measurement Date and Target Asset Allocations (Details) | Oct. 31, 2021 | Oct. 31, 2020
--- | --- | ---
Defined Benefit Plan Disclosure [Line Items] |  |
Total, Target | 100.00% | 100.00%
Total, Actual |  | 100.00%
Equity securities |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Total, Target | 20.00% | 21.00%
Total, Actual |  | 20.00%
Debt securities |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Total, Target | 66.00% | 63.00%
Total, Actual |  | 65.00%
Other |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Total, Target | 14.00% | 16.00%
Total, Actual |  | 15.00%

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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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