XML 20 R70.htm IDEA: XBRL DOCUMENT v2.4.0.8
Stock-Based Benefit Plans (Details 1) (USD $)
3 Months Ended 9 Months Ended
Jul. 31, 2014
Jul. 31, 2013
Jul. 31, 2014
Jul. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate     42.71% 46.70%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Payments     $ 0 $ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value     $ 14.26 $ 13.05
Stock based expense recognized 4,691,000 4,422,000 16,985,000 14,449,000
Employee Stock Option [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock based expense recognized $ 1,675,000 $ 1,442,000 $ 7,335,000 $ 6,276,000
Maximum [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate     44.71% 48.13%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate     2.71% 1.56%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term     9 years 0 months 8 days 8 years 10 months 16 days
Minimum [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate     36.44% 44.04%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate     1.45% 0.64%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term     4 years 6 months 20 days 4 years 5 months 22 days