ACQUISITION (Schedule of Intangible Assets Acquired) (Details) $ in Thousands	12 Months Ended
	Aug. 31, 2018 USD ($)
Trade Name [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization Period	25 years
Developed Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization Period	5 years
Aeropost, Inc [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value of Assets Acquired	$ 16,100
Aeropost, Inc [Member] | Trade Name [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value of Assets Acquired	5,100
Aeropost, Inc [Member] | Developed Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value of Assets Acquired	$ 11,000