Leases - Summary of Information Related to Remaining Lease Term and Discount Rate (Details)	Oct. 31, 2020	Oct. 31, 2019
Leases [Abstract]
Weighted average remaining lease term, Operating leases (in years)	5 years 11 months 4 days	6 years 10 months 2 days
Weighted average remaining lease term, Finance leases (in years)	2 years 6 months 18 days	3 years 25 days
Weighted average discount rate, Operating leases	5.26%	5.41%
Weighted average discount rate, Finance leases	4.46%	4.29%