CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Apr. 30, 2023	Jul. 31, 2022
Accounts Receivable, Allowance for Credit Loss, Current	$ 8,417	$ 7,355
Class A Nonvoting Common Stock
Common stock, shares issued	51,261,487	51,261,487
Common stock, shares outstanding	45,935,672	46,370,708
Treasury Stock, Common, Shares	5,325,815	4,890,779
Class B Voting Common Stock
Common stock, shares issued	3,538,628	3,538,628
Common stock, shares outstanding	3,538,628	3,538,628