SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Goodwill and Other Intangibles) (Narrative) (Details) - USD ($) $ in Thousands	Nov. 30, 2021	Aug. 31, 2021	Nov. 30, 2020
Finite-Lived Intangible Assets [Line Items]
Goodwill and other intangibles, net	$ 45,300	$ 52,900
Goodwill	43,332	45,095	$ 45,123
Other intangibles, net	1,922	$ 7,762
Aeropost [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill	1,700
Aeropost [Member] | Trade Name [Member]
Finite-Lived Intangible Assets [Line Items]
Other intangibles, net	4,400
Aeropost [Member] | Developed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Other intangibles, net	$ 1,000