CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Oct. 31, 2020	Jul. 31, 2020
Accounts Receivable, Allowance for Credit Loss, Current	$ 7,704	$ 7,157
Class A nonvoting common stock
Common stock, shares issued	51,261,487	51,261,487
Common stock, shares outstanding	48,497,649	48,456,954
Treasury stock, shares	2,763,838	2,804,533
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

Amount of allowance for credit loss on accounts receivable, classified as current.

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