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Stock-Based Benefit Plans
 9 Months Ended
Jul. 31, 2019
Share-based Payment Arrangement [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,
 
2019
 
2018
 
2019
 
2018
Total stock-based compensation expense recognized
$
19,351

 
$
21,879

 
$
5,435

 
$
6,532

Income tax benefit recognized
$
5,047

 
$
6,236

 
$
1,395

 
$
1,877


At July 31, 2019 and October 31, 2018, the aggregate unamortized value of outstanding stock-based compensation awards was approximately $24.4 million and $20.9 million, respectively.