Stock-Based Benefit Plans (Stock Options - Net Exercise Method Table) (Details 6) - Share-based Payment Arrangement, Option [Member] - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options exercised	1,284,000	1,044,000	797,000
Net exercise method [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options exercised	100,000	33,250
Shares tendered	65,487	21,842
Shares issued	34,513	11,408
Average Fair Market Value Per Share Withheld	$ 43.11	$ 33.03
Aggregate Fair Market Value of Shares Withheld	$ 2,823	$ 721