Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Changes in Deferred Revenue (Details)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Changes in Deferred Revenue (Details) - USD ($)
$ in Thousands
 12 Months Ended
Aug. 31, 2022
Aug. 31, 2021
Deferred Revenue [Abstract]    
Balance $ 2,405 $ 3,600
Revenue recognized (12,225) (8,079)
Revenue deferred 14,665 6,884
Balance 4,845 2,405
Water and Wastewater Resource Development Segment    
Deferred Revenue [Abstract]    
Balance 410 1,965
Revenue recognized (791) (4,521)
Revenue deferred 951 2,966
Balance 570 410
Land Development    
Deferred Revenue [Abstract]    
Balance 1,995 1,635
Revenue recognized (11,434) (3,558)
Revenue deferred 13,714 3,918
Balance $ 4,275 $ 1,995