Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Apr. 30, 2024	Jul. 31, 2023
Allowance for doubtful accounts receivable current	$ 6,717	$ 5,642
Settlement assets, net of reserve	$ 1,676	$ 1,143
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	28,165	27,851
Common stock, shares outstanding	23,766	23,699
Treasury stock shares	4,399	4,152