Equity (Details Narrative) - USD ($) $ in Millions		2 Months Ended	12 Months Ended
	May 27, 2021	Oct. 11, 2023	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2021
Class of Stock [Line Items]
Stock repurchase program, remaining number of shares authorized to be repurchased			4,700,000
Executive Officer [Member]
Class of Stock [Line Items]
Performance bonus paid in cash stock			$ 1.2
Class B Common Stock [Member]
Class of Stock [Line Items]
Aggregate repurchased shares			8,000,000.0
Class B common stock shares repurchased			511,546	554,744	463,792
Aggregate purchase price of shares repurchased			$ 13.1	$ 13.4	$ 2.8
Class B Common Stock [Member] | Employees [Member]
Class of Stock [Line Items]
Class B common stock shares repurchased			28,227	200,438	109,381
Aggregate purchase price of shares repurchased			$ 0.8	$ 9.0	$ 1.3
Class B Common Stock [Member] | Forecast [Member]
Class of Stock [Line Items]
Class B common stock shares repurchased		124,530
Aggregate purchase price of shares repurchased		$ 2.8
Common Class B [Member]
Class of Stock [Line Items]
Issuance of shares	35,839
Issuance of shares, value	$ 1.0
Common Class B [Member] | Executive Officer [Member]
Class of Stock [Line Items]
Issuance of shares			24,543
Issuance of shares, value			$ 0.6