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Stock-Based Benefit Plans
 6 Months Ended
Apr. 30, 2021
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 non-employee 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):
Three months ended April 30,Six months ended April 30,
2021202020212020
Total stock-based compensation expense recognized$3,446 $3,419 $16,279 $16,802 
Income tax benefit recognized$878 $870 $4,150 $4,278 
At April 30, 2021 and October 31, 2020, the aggregate unamortized value of outstanding stock-based compensation awards was approximately $21.7 million and $15.9 million, respectively.