Stock-Based Benefit Plans (Details 6) - Employee Stock Option [Member] - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options exercised	1,441,000	1,313,000	1,454,000
Net exercise method [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options exercised	30,000	96,162	531,000
Shares tendered	29,917	58,819	405,838
Shares issued	83	37,343	125,162
Average Fair Market Value Per Share Withheld	$ 32.64	$ 33.78	$ 32.22
Aggregate Fair Market Value of Shares Withheld	$ 976	$ 1,987	$ 13,076
Stock swap method [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options exercised		7,006	6,534
Shares tendered		4,273	4,034
Shares issued		2,733	2,500
Average Fair Market Value Per Share Withheld		$ 33.01	$ 32.61
Aggregate Fair Market Value of Shares Withheld		$ 141	$ 132