Leases - Lease Cost (Details) $ in Thousands	12 Months Ended
	Oct. 31, 2020 USD ($)
Leases [Abstract]
Operating lease costs	$ 17,544
Finance lease cost:
Amortization of finance ROU asset	4,465
Interest on finance lease liabilities	4,777
Total finance lease cost	9,242
Non-capitalized lease cost	2,976
Variable lease cost	5,185
Net lease cost	34,947
Leasehold Improvements
Property, Plant and Equipment [Line Items]
Amortization	$ 11,000