Leases - Weighted Average Remaining Lease Terms and Discount Rates (Details)	May 01, 2021	Oct. 31, 2020
Weighted-average remaining lease term in years:
Operating leases	4 years 6 months 10 days	4 years 10 months 13 days
Finance leases	11 years 2 months 19 days	11 years 8 months 15 days
Weighted-average discount rates:
Operating leases	2.79%	2.82%
Finance leases	7.56%	7.56%