Condensed Consolidated Statements of Shareholders' Equity (Parenthetical) - $ / shares shares in Thousands	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
Statement of Stockholders' Equity [Abstract]
Accounting Standards Update [Extensible List]	Accounting Standards Update 2016-13	Accounting Standards Update 2016-02 [Member]	Accounting Standards Update 2014-09 [Member]
Purchase of treasury shares (in shares)	291,253	384,498	998,004
Dividends declared (in dollars per share)	$ 1.69	$ 1.53	$ 1.43