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PROPERTY AND EQUIPMENT (Summary of Property and Equipment) (Details) - USD ($)
$ in Thousands
Aug. 31, 2022
Aug. 31, 2021
Property, Plant and Equipment [Line Items]    
Total property and equipment, historical cost $ 1,203,488 $ 1,134,731
Less: accumulated depreciation (446,247) (404,527)
Property and equipment, net 757,241 730,204
Land [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment, historical cost 224,278 216,703
Building Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment, historical cost 592,749 533,802
Fixtures And Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment, historical cost 343,859 315,391
Construction In Progress [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment, historical cost $ 42,602 $ 68,835