Stock-Based Benefit Plans (Performance-based RSUs) (Details 7) - USD ($)	12 Months Ended
	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2015	Dec. 20, 2016	Dec. 18, 2015	Dec. 16, 2014
Performance-Based Restricted Stock Units
Stock based expense recognized	$ 28,466,000	$ 26,679,000	$ 22,903,000
Unamortized value of RSUs		$ 27,000,000	$ 25,200,000
Restricted Stock Units (RSUs) [Member] | Vesting Based On Performance [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Minimum Percentage of Units Issued to Recipients of Base Award	90.00%
Maximum Percentage of Units Issued to Recipients of Base Award	110.00%
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years
Performance-Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	168,417	182,854	300,042
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	940,117	1,074,222	1,261,545
Share Price				$ 31.61	$ 32.85	$ 32.49
Fair value of restricted stock units issued	$ 5,324,000	$ 6,007,000	$ 10,155,000
Stock based expense recognized	7,031,000	8,301,000	9,863,000
Unamortized value of RSUs	4,599,000	6,556,000	$ 8,850,000
gross value of stock awarded related to restricted stock units	$ 9,600,000	$ 12,200,000
Gross shares distributed related to restricted stock	302,514	370,171
Value of shares withheld for income taxes on restricted shares issued	$ 4,200,000	$ 5,400,000
Shares withheld for income taxes related to share issued for RSU	133,098	164,090
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	$ 5,400,000	$ 6,800,000
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures	169,416	206,081