Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares	12 Months Ended
Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Statement of Stockholders' Equity [Abstract]
Cash dividends paid on common stock (in dollars per share)	$ 0.90	$ 0.80	$ 0.70
Issuance of options (in shares)	1,544,962	1,495,367	1,185,601
Purchase of shares of common stock (in shares)	403,532	2,777,687	2,730,022

Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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