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Stock-Based Benefit Plans | 6 Months Ended
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Apr. 30, 2020
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):
| Six months ended April 30, |  |  |  | Three months ended April 30, |  |
| 2020 |  | 2019 |  | 2020 |  | 2019
Total stock-based compensation expense recognized | $ | 16,802 |  |  | $ | 13,916 |  |  | $ | 3,419 |  |  | $ | 5,331 |
Income tax benefit recognized | $ | 4,278 |  |  | $ | 3,652 |  |  | $ | 870 |  |  | $ | 1,396 |
At April 30, 2020 and October 31, 2019, the aggregate unamortized value of outstanding stock-based compensation awards was approximately $23.6 million and $18.7 million, respectively.

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- Definition The entire disclosure for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 + Details
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