Stock-Based Benefit Plans Stock-Based Benefit Plans (Details 6) (Employee Stock Option [Member], USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	(2,941,000)	(2,467,000)	(2,498,000)
Net exercise method [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	303,412	194,000	1,201,372
Shares Paid for Tax Withholding for Share Based Compensation	151,889	98,918	798,420
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures	151,523	95,082	402,952
Average Fair Market Value Per Share Withheld	$ 22.68	$ 18.94	$ 17.96
Aggregate Fair Market Value of Shares Withheld	$ 3,445	$ 1,873	$ 14,341
Stock swap method [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	19,686	28,900	29,512
Shares Paid for Tax Withholding for Share Based Compensation	8,224	14,807	14,459
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures	11,462	14,093	15,053
Average Fair Market Value Per Share Withheld	$ 25.52	$ 20.53	$ 19.71
Aggregate Fair Market Value of Shares Withheld	$ 210	$ 304	$ 285