v3.26.3
Credit Arrangements (Schedule of Long-Term Debt) (Details) - USD ($)
$ in Thousands
Aug. 31, 2026
Aug. 31, 2025
Debt Instrument [Line Items]    
Total debt $ 115,000 $ 115,263
Less current portion 0 (233)
Less debt issuance costs (171) (220)
Total long-term debt 114,829 114,810
Elecsys Series 2006A Bonds [Member]    
Debt Instrument [Line Items]    
Total debt 0 263
Series A Senior Notes [Member]    
Debt Instrument [Line Items]    
Total debt $ 115,000 $ 115,000