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Stock-Based Benefit Plans
9 Months Ended
Jul. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Stock-Based Benefit Plans
Stock-Based Benefit Plans
We grant stock options and various types of restricted stock units to our employees and our nonemployee directors. Additionally, we have an employee stock purchase plan that allows employees to purchase our stock at a discount.
Information regarding the amount of total stock-based compensation expense and tax benefit recognized by us, for the periods indicated, is as follows (amounts in thousands):
 
Nine months ended July 31,
 
Three months ended July 31,
 
2016
 
2015
 
2016
 
2015
Total stock-based compensation expense recognized
$
21,006

 
$
17,694

 
$
5,925

 
$
5,142

Income tax benefit recognized
$
8,092

 
$
6,694

 
$
2,283

 
$
1,958


At July 31, 2016 and October 31, 2015, the aggregate unamortized value of outstanding stock-based compensation awards was approximately $32.9 million and $25.2 million, respectively.