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CREDIT ARRANGEMENTS (Long-term Debt, Including the Deferred Gain from the Termination of the Interest Rate Swaps) (Details) - USD ($) $ in Thousands	Feb. 28, 2017	Aug. 31, 2016
Debt Instrument [Line Items]
Total debt	$ 1,068,033	$ 1,075,641
Less debt issuance costs	3,696	4,224
Total amounts outstanding	1,064,337	1,071,417
Less current maturities	312,200	313,469
Long-term debt	$ 752,137	757,948
2023 Notes
Debt Instrument [Line Items]
Weighted average interest rate	4.875%
Total debt	$ 330,000	330,000
2018 Notes
Debt Instrument [Line Items]
Weighted average interest rate	6.4047%
Total debt	$ 406,562	408,874
2017 Notes
Debt Instrument [Line Items]
Weighted average interest rate	5.7359%
Total debt	$ 301,115	302,601
Other, including equipment notes
Debt Instrument [Line Items]
Total debt	$ 30,356	$ 34,166

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Long-term Debt and Capital Lease Obligations, Net

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Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.13,16)
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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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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

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Weighted average interest rate of long-term debt outstanding.

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