CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (UNAUDITED) (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2022	Apr. 30, 2021
Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock, dividends per share declared (in dollars per share)	$ 0.2145	$ 0.125	$ 0.429	$ 0.25
Class A Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock, dividends per share declared (in dollars per share)	0.2375	0.14	0.475	0.28
Common Stock [Member] | Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock, dividends per share declared (in dollars per share)	0.2145	0.125	0.429	0.25
Common Stock [Member] | Class A Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock, dividends per share declared (in dollars per share)	$ 0.2375	$ 0.14	$ 0.475	$ 0.28