Stock-Based Benefit Plans (Details Textual) (USD $) In Millions, except Share data, unless otherwise specified	6 Months Ended		6 Months Ended
	Apr. 30, 2014	Oct. 31, 2013	Apr. 30, 2014 Performance Based Restricted Stock Units [Member]	Apr. 30, 2014 Stock Price Based Restricted Stock Units [Member]	Apr. 30, 2013 Stock Price Based Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Gross shares distributed related to restricted stock				306,000	200,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			4 years
Stock Based Benefit Plans (Textual) [Abstract]
Minimum percentage of units issued to the recipients of the base award	90.00%
Maximum percentage of units issued to the recipients of the base award	110.00%
Stock Based Benefit Plans (Additional Textual) [Abstract]
Aggregate unamortized value of outstanding stock based compensation awards	$ 33.1	$ 19.9