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Debt (Schedule Of Short-term And Long-term Borrowings) (Details) - USD ($) $ in Thousands	Aug. 31, 2018	Aug. 31, 2017
Debt Instrument [Line Items]
Total short-term borrowings	$ 23,600	$ 20,000
Long-term borrowings	62,800	134,000
Total	86,400	154,000
Series A Notes [Member]
Debt Instrument [Line Items]
Current portion of long-term debt	800
Long-term borrowings	18,800
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Short-term borrowings	20,000	20,000
Long-term borrowings	44,000	$ 134,000
Revolving Credit Facility [Member] | Autoborrow Agreement [Member]
Debt Instrument [Line Items]
Short-term borrowings	$ 2,800

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- 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.

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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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