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BENEFIT PLANS - Allocation for the pension plan by asset category (Details) | Apr. 30, 2023 | Apr. 30, 2022 | Nov. 30, 2021
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BENEFIT PLANS |  |  |
Asset allocation for the pension plan by asset category | 100.00% | 100.00% | 100.00%
Equity securities |  |  |
BENEFIT PLANS |  |  |
Asset allocation for the pension plan by asset category |  | 57.00% |
Fixed income securities |  |  |
BENEFIT PLANS |  |  |
Asset allocation for the pension plan by asset category |  | 38.00% |
Cash and cash equivalents |  |  |
BENEFIT PLANS |  |  |
Asset allocation for the pension plan by asset category | 100.00% | 5.00% |

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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 -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 (d)(i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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