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Condensed Consolidated Statement of Stockholders' Equity (Unaudited) (Parenthetical) - $ / shares	3 Months Ended				6 Months Ended
	Jan. 31, 2019	Jul. 31, 2018	Jan. 31, 2018	Jul. 31, 2017	Oct. 31, 2018	Oct. 31, 2017
Statement of Stockholders' Equity [Abstract]
Cash dividends paid (in usd per share)	$ 0.19	$ 0.17	$ 0.17	$ 0.15	$ 0.19	$ 0.17
Stock options exercised (in shares)	5,800	9,250	6,859	500		15,241

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- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

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Number of share options (or share units) exercised during the current period.

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