Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
Statement of Stockholders' Equity [Abstract]
Cash dividends paid on common stock (in dollars per share)	$ 1.05	$ 1.00	$ 0.90
Issuance of options (in shares)	610,788	870,011	1,544,962
Contribution of stock to a deferred compensation trust (in shares)	22,700
Purchase of shares of common stock (in shares)	3,010,424	29,422	403,532