Stock-Based Benefit Plans (Stock Options - Net Exercise Method Table) (Details 6) - Employee Stock Option [Member] - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options exercised	797,000	2,863,000	255,000
Net exercise method [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options exercised		15,000	5,000
Shares tendered		14,472	3,547
Shares issued		528	1,453
Average Fair Market Value Per Share Withheld		$ 32.98	$ 32.85
Aggregate Fair Market Value of Shares Withheld		$ 477	$ 117