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Debt (Schedule Of Short-term And Long-term Borrowings) (Details) - USD ($)	Aug. 31, 2020	Aug. 31, 2019
Debt Instrument [Line Items]
Total short-term borrowings	$ 800,000	$ 21,205,000
Long-term borrowings	113,098,000	60,221,000
Total	113,898,000	81,426,000
Autoborrow Agreement [Member]
Debt Instrument [Line Items]
Total short-term borrowings	0
Series A Notes [Member]
Debt Instrument [Line Items]
Current portion of long-term debt	800,000	800,000
Long-term borrowings	17,200,000	18,000,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Short-term borrowings		20,000,000
Long-term borrowings	$ 95,898,000	42,221,000
Revolving Credit Facility [Member] | Autoborrow Agreement [Member]
Debt Instrument [Line Items]
Short-term borrowings		$ 405,000

X

- Definition

Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

+ References

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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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Represents the aggregate of total long-term debt, including current maturities and short-term debt.

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

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