v3.26.3
Business Segments (Schedule of Capital Expenditures and Depreciation and Amortization) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Aug. 31, 2026
Aug. 31, 2025
Aug. 31, 2024
Segment Reporting [Line Items]      
Total capital expenditures $ 40,172 $ 42,496 $ 28,979
Depreciation and amortization 23,061 20,896 21,200
Irrigation [Member]      
Segment Reporting [Line Items]      
Total capital expenditures 33,902 38,026 24,720
Depreciation and amortization 16,026 14,198 14,480
Infrastructure [Member]      
Segment Reporting [Line Items]      
Total capital expenditures 5,509 4,147 4,207
Depreciation and amortization 4,682 4,417 4,396
Corporate [Member]      
Segment Reporting [Line Items]      
Total capital expenditures 761 323 52
Depreciation and amortization $ 2,353 $ 2,281 $ 2,324