Stockholders' Equity (Details Textual) - $ / shares shares in Millions		3 Months Ended			9 Months Ended
	Mar. 09, 2021	Jul. 31, 2021	Apr. 30, 2021	Jul. 31, 2020	Jul. 31, 2021	Jul. 31, 2020	Mar. 10, 2020	Dec. 19, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common Stock, Dividends, Per Share, Declared and Paid	$ 0.17	$ 0.17	$ 0.11	$ 0.11	$ 0.45	$ 0.33
December 2019 Repurchase Program [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Repurchase Program, Number of Shares Authorized to be Repurchased								20
March 2020 Repurchase Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Repurchase Program, Number of Shares Authorized to be Repurchased							20