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Long-Term Debt (Schedule of Principal Payments Due on Long-Term Debt) (Details) - USD ($)
$ in Thousands
Nov. 30, 2019
Aug. 31, 2019
Nov. 30, 2018
Debt Disclosure [Abstract]      
1 year $ 210    
2 years 214    
3 years 218    
4 years 222    
5 years 227    
Thereafter 115,428    
Total debt $ 116,519 $ 116,571 $ 116,724