Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Jul. 31, 2023	Jul. 31, 2022
Allowance for doubtful accounts receivable current	$ 5,642	$ 5,328
Settlement assets, net of reserve	$ 1,143	$ 554
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	10,000	10,000
Preferred stock, shares issued	0	0
Common Class A [Member]
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	35,000	35,000
Common stock, shares issued	3,272	3,272
Common stock, shares outstanding	1,574	1,574
Treasury stock shares	1,698	1,698
Common Class B [Member]
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	200,000	200,000
Common stock, shares issued	27,851	27,725
Common stock, shares outstanding	23,699	24,112
Treasury stock shares	4,152	3,613