PENSION AND OTHER POSTRETIREMENT BENEFITS Estimated future benefit payments (Details) $ in Thousands	Jul. 31, 2021 USD ($)
Pension Benefits
Defined Benefit Plans and Postretirement Health Benefits
2022	$ 1,181
2023	1,192
2024	1,225
2025	1,315
2026	1,445
2027-31	8,780
Postretirement Health Benefits
Defined Benefit Plans and Postretirement Health Benefits
2022	82
2023	108
2024	173
2025	214
2026	210
2027-31	$ 1,360

Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in fifth fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in fourth fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in third fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year.

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