Leases - Components Of Lease Expense (Details) $ in Thousands	3 Months Ended
	Jan. 31, 2020 USD ($)
Leases [Abstract]
Operating lease expense	$ 23,201
Variable lease expense	942	[1]
Total lease expense	$ 24,143

[1] Variable lease expense includes payments to lessors that are not fixed or determinable at lease commencement date. These payments primarily consist of maintenance, property taxes, insurance and variable indexed based payments.