DEBT (Schedule of Annual Maturities of Long-Term Debt) (Details) - USD ($) $ in Thousands	Aug. 31, 2018		Aug. 31, 2017	[2]	Aug. 31, 2016	[3]
DEBT [Abstract]
2019	$ 14,855
2020	21,729
2021	12,572
2022	5,901
2023	17,449
Thereafter	30,069
Total	$ 102,575	[1]	$ 106,297		$ 88,107

[1] The carrying amount on non-cash assets assigned as collateral for these loans was $125.9 million. No cash assets were assigned as collateral for these loans as of August 31, 2017.

[2] The carrying amount on non-cash assets assigned as collateral for these loans was $128.4 million. No cash assets were assigned as collateral for these loans.

[3] The carrying amount on non-cash assets assigned as collateral for these loans was $102.4 million. No cash assets were assigned as collateral for these loans.