Long-Term Debt (Schedule of Long-Term Debt) (Details) - USD ($) $ in Thousands	May 31, 2026	Aug. 31, 2025	May 31, 2025
Debt Instrument [Line Items]
Total debt	$ 115,089	$ 115,263	$ 115,321
Less current portion	(89)	(233)	(232)
Less unamortized debt issuance costs	(184)	(220)	(233)
Total long-term debt	114,816	114,810	114,856
Elecsys Series 2006A Bonds [Member]
Debt Instrument [Line Items]
Total debt	89	263	321
Series A Senior Notes [Member]
Debt Instrument [Line Items]
Total debt	$ 115,000	$ 115,000	$ 115,000

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

+ References

+ Details