Condensed Consolidated Balance Sheet Parenthetical - USD ($) $ in Thousands	Oct. 31, 2025	Jul. 31, 2025
Allowance for doubtful accounts	$ 1,293	$ 1,493
Accumulated amortization of other intangibles	710	693
Accumulated amortization of customer list	9,560	9,278
Net unamortized debt issuance costs	$ 173	$ 183
Common
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, shares issued	15,327,961	15,276,261
Treasury stock, common shares	4,984,704	4,902,881
Class B
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, shares issued	4,650,484	4,650,484
Treasury stock, common shares	416,544	380,628