CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares	12 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2021
Class A Nonvoting Common Stock
Common Stock, Dividends, Per Share, Declared	$ 0.92	$ 0.90	$ 0.88
Class B Voting Common Stock
Common Stock, Dividends, Per Share, Declared	$ 0.90	$ 0.88	$ 0.86