Short-Term and Long-Term Debt - 2022 Term Loan Debt Components (Details) - Secured debt - Term Loan 2022 - USD ($) $ in Thousands	Jul. 31, 2018	Oct. 31, 2017
Debt Instrument [Line Items]
Principal Balance	$ 395,000
Unamortized Debt Discount	(1,580)
Deferred Debt Issuance Costs	(2,557)	$ (3,100)
Net Carrying Value	$ 390,863	$ 392,972

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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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, after accumulated amortization, of debt discount.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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