Sum of both current and non-current operating and finance leases.

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Sum of both operating and finance lease right of use assets.

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Amount of the cumulative effect on retained earnings net of related income tax effect.

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The cumulative difference between the rental payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense over the term of the leased property by the lessor or lessee, respectively.

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Present value of lessee's discounted obligation for lease payments from finance lease.

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Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.

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Indicates line item in statement of financial position that includes current finance lease liability.

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Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent.

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Indicates line item in statement of financial position that includes noncurrent finance lease liability.

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Amount of lessee's right to use underlying asset under finance lease.

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Indicates line item in statement of financial position that includes finance lease right-of-use asset.

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Weighted average discount rate for finance lease calculated at point in time.

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Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Indicates (true false) whether practical expedient is elected to account for lease component and nonlease component as single lease component.

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Indicates (true false) whether practical expedients are elected for not reassessing whether any expired or existing contract is or contains lease, lease classification for expired or existing lease, and initial direct cost for any existing lease.

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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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Present value of lessee's discounted obligation for lease payments from operating lease.

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

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Indicates line item in statement of financial position that includes current operating lease liability.

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

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Indicates line item in statement of financial position that includes noncurrent operating lease liability.

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Amount of lessee's right to use underlying asset under operating lease.

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Indicates line item in statement of financial position that includes operating lease right-of-use asset.

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.

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Leases - Assets and Liabilities (Details) - USD ($) $ in Thousands		3 Months Ended	6 Months Ended
	Nov. 01, 2019	Jan. 31, 2020	Apr. 30, 2020	Oct. 31, 2019
Leases
Operating lease liability			$ 67,661
Finance lease liability			6,066
Other long-term liabilities			$ 3,575	$ 4,769
Cumulative effect adjustment on ASC 842 related to leases		$ 1,165
Lease, Practical Expedients, Package [true false]			true
Lease, Practical Expedient, Lessor Single Lease Component [true false]			true
Lease-related assets and liabilities
Operating lease assets			$ 63,678
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]			Operating lease assets
Finance lease asset			$ 5,900
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]			Property, Plant and Equipment, Net
Total			$ 69,578
Operating Lease, Liability, Current			$ 6,218
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]			Operating Lease, Liability, Current
Finance Lease, Liability, Current			$ 847
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]			Long-term Debt and Capital Lease Obligations, Current
Operating Lease, Liability, Noncurrent			$ 61,443
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]			Operating Lease, Liability, Noncurrent
Finance Lease, Liability, Noncurrent			$ 5,219
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]			Long-term Debt and Capital Lease Obligations
Total			$ 73,727
Weighted-average remaining lease term: Operating leases			10 years 4 months 24 days
Weighted-average remaining lease term: Finance leases			9 years
Weighted-average discount rate: Operating leases			2.84%
Weighted-average discount rate: Finance leases			3.51%
ASU, Leases \| Adjustments
Leases
Operating lease liability	$ 69,600
Deferred rent and incentives	(3,700)
Other long-term liabilities	(1,200)
Cumulative effect adjustment on ASC 842 related to leases	1,200
Lease-related assets and liabilities
Operating lease assets	$ 65,700