v3.25.4
Business Segments (Schedule of Segment Reporting Information, by Segment) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Nov. 30, 2025
Nov. 30, 2024
Segment Reporting Information [Line Items]    
Operating revenues $ 155,818 $ 166,281
Cost of operating revenues 105,716 116,315
Gross profit 50,102 49,966
Operating expenses 30,497 29,083
Segment operating income 19,605 20,883
Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Operating revenues 155,818 166,281
Cost of operating revenues 105,716 116,315
Gross profit 50,102 49,966
Operating expenses 22,654 21,106
Segment operating income 27,448 28,860
Unallocated Corporate Expenses [Member]    
Segment Reporting Information [Line Items]    
Segment operating income 7,843 7,977
North America [Member]    
Segment Reporting Information [Line Items]    
Operating revenues 74,312 77,669
International [Member]    
Segment Reporting Information [Line Items]    
Operating revenues 59,125 69,418
Irrigation [Member]    
Segment Reporting Information [Line Items]    
Operating revenues 133,437 147,087
Irrigation [Member] | Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Operating revenues 133,437 147,087
Cost of operating revenues 92,813 105,195
Gross profit 40,624 41,892
Operating expenses 17,670 17,156
Segment operating income 22,954 24,736
Infrastructure [Member]    
Segment Reporting Information [Line Items]    
Operating revenues 22,381 19,194
Infrastructure [Member] | Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Operating revenues 22,381 19,194
Cost of operating revenues 12,903 11,120
Gross profit 9,478 8,074
Operating expenses 4,984 3,950
Segment operating income $ 4,494 $ 4,124