Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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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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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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-Publisher FASB
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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Date the credit facility terminates, in CCYY-MM-DD format.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Debt (Details) - USD ($)	3 Months Ended	12 Months Ended
Debt (Details) - USD ($)	Apr. 30, 2020	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018	Dec. 11, 2018	Oct. 31, 2017	Oct. 31, 2013
Revolving Credit Facility [Line Items]
Proceeds from line of credit		$ 300,000,000	$ 0	$ 0
Repayment of line of credit		(300,000,000)	0	$ 0
Revolving Credit Facility [Member]
Revolving Credit Facility [Line Items]
Proceeds from line of credit	$ 300,000,000.0
Repayment of line of credit		$ (300,000,000.0)
Unsecured revolving credit facility issued					$ 300,000,000.0
Unsecured revolving credit facility issued, maximum					$ 400,000,000.0
Unsecured revolving credit facility maturity date		Dec. 11, 2023
Debt instrument term		5 years
Line of credit, amount outstanding		$ 0	0
Line of credit interest expense paid		$ 500,000
Senior Notes 2023 [Member]
Revolving Credit Facility [Line Items]
Prinicipal amount of debt issued							$ 325,000,000.0
Interest rate on unsecured senior note debt							3.625%
Debt maturity date		Jun. 15, 2023
Debt instrument term		10 years
Debt instrument, carrying amount		$ 323,800,000	323,300,000
Senior Notes 2027 [Member]
Revolving Credit Facility [Line Items]
Prinicipal amount of debt issued						$ 300,000,000.0
Interest rate on unsecured senior note debt						3.50%
Debt maturity date		Apr. 06, 2027
Debt instrument term		10 years
Debt instrument, carrying amount		$ 297,500,000	$ 297,200,000