Loans Payable and Long-Term Debt - The RSI Notes (Narrative) (Details) - USD ($)	Oct. 31, 2018	Feb. 12, 2018
Senior Notes [Member] \| 4.875% Senior Notes Due 2026 [Member]
Debt Instrument [Line Items]
Debt instrument, face amount		$ 350,000,000
Stated interest rate		4.875%
Secured Debt [Member] \| RSI Notes [Member]
Debt Instrument [Line Items]
Fair value of RSI Notes	$ 325,000,000
Aggregate principal amount outstanding	$ 350,000,000

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

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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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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No definition available.

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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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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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