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LEASES - Weighted Average Remaining Lease Terms and Discount Rates (Details)
Jul. 31, 2021
Oct. 31, 2020
Weighted-average remaining lease term in years:    
Operating leases 4 years 4 months 6 days 4 years 10 months 13 days
Finance leases 10 years 11 months 19 days 11 years 8 months 15 days
Weighted-average discount rates:    
Operating leases 2.75% 2.82%
Finance leases 7.56% 7.56%