Leases - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2019	Oct. 31, 2021
Lessee, Lease, Description [Line Items]
Operating leases, rent expense	$ 34.1
Minimum
Lessee, Lease, Description [Line Items]
Lessee, operating lease, renewal term		2 years
Maximum
Lessee, Lease, Description [Line Items]
Lessee, operating lease, renewal term		10 years