OPERATING SEGMENTS (Long-Lived Assets by Geographic Area) (Details) - USD ($) $ in Thousands	Aug. 31, 2021	Aug. 31, 2020	Aug. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	$ 1,699,350	$ 1,708,344	$ 1,599,218
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	1,473,745	1,483,127	1,426,131
Poland
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	225,582	225,166	173,045
Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	$ 23	$ 51	$ 42