CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2022	Jan. 31, 2021
Equity [Abstract]
Cash dividends, per common share (in dollars per share)	$ 0.43	$ 0.41	$ 0.86	$ 0.82