Leases - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended
Jan. 31, 2020	Jan. 31, 2019
Leases [Abstract]
Operating lease costs	$ 4,457
Finance lease cost:
Amortization of finance ROU asset	1,140
Interest on finance lease liabilities	1,244
Total finance lease cost	2,384
Non-capitalized lease cost	621
Variable lease cost	1,311
Net lease cost	8,773
Leasehold improvements
Property, Plant and Equipment [Line Items]
Amortization	$ 4,300	$ 2,400

Finance Lease, Cost

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- Definition

The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives.

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- Definition

Amount of interest expense on finance lease liability.

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- Definition

Amount of amortization expense attributable to right-of-use asset from finance lease.

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- Definition

Amount of lease cost recognized by lessee for lease contract.

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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- Definition

Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

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