DEBT (Summary of Changes in Long-Term Debt) (Details) - USD ($)		6 Months Ended
		Feb. 28, 2019	Aug. 31, 2018
Debt Instrument [Line Items]
Current portion of long-term debt		$ 14,855,000
Long-term debt (net of current portion)		87,720,000
Total	[1]	102,575,000
Regularly scheduled loan payments, Current		(1,563,000)
Regularly scheduled loan payments, Noncurrent		(4,782,000)
Regularly scheduled loan payments total		(6,345,000)
Reclassification of long-term debt, Current		13,138,000
Reclassification of long-term debt, Noncurrent		(13,138,000)
Translation adjustments on foreign-currency debt of subsidiaries whose functional currency is not the U.S. dollar, Current	[2]	(237,000)
Translation adjustments on foreign-currency debt of subsidiaries whose functional currency is not the U.S. dollar, Noncurrent	[2]	(7,000)
Translation adjustments on foreign-currency debt of subsidiaries whose functional currency is not the U.S. dollar total	[2]	(244,000)
Current portion of long-term debt		26,193,000
Long-term debt (net of current portion)		69,793,000
Total	[3]	95,986,000
Cash Asset [Member]
Debt Instrument [Line Items]
Debt Instrument, Collateral amount		0	$ 0
NonCash Asset [Member]
Debt Instrument [Line Items]
Debt Instrument, Collateral amount		$ 118,600,000	$ 125,900,000

[1] The carrying amount of non-cash assets assigned as collateral for these loans was $125.9 million. No cash assets were assigned as collateral for these loans.

[2] These foreign currency translation adjustments are recorded within Other comprehensive income.

[3] The carrying amount of non-cash assets assigned as collateral for these loans was $118.6 million. No cash assets were assigned as collateral for these loans.