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Equity Compensation (Tables) | 12 Months Ended
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Jan. 31, 2022
Share-based Payment Arrangement [Abstract] |
Restricted Share Activity Disclosure | A summary of restricted stock activity for the fiscal year ended January 31, 2022, was as follows:
| Unreleased Restricted Stock Units (in thousands) |  | Weighted average grant date fair value per share
Unvested restricted stock at January 31, 2021 | 4,503.9 |  |  | $ | 191.91 |
Granted | 2,294.1 |  |  | 288.13 |
Vested | (2,230.7) |  |  | 181.97 |
Canceled/Forfeited | (526.7) |  |  | 226.00 |
Performance Adjustment (1) | (7.9) |  |  | 137.02 |
Unvested restricted stock at January 31, 2022 | 4,032.7 |  |  | $ | 251.17 |
_______________ (1)Based on Autodesk’s financial results and relative total stockholder return for the fiscal 2021 performance period. The performance stock units were attained at rates ranging from 103.0% to 108.0% of the target award.
Schedule of Share-based Compensation, Employee Stock Purchase Plan, Activity | A summary of the ESPP activity for the fiscal years ended January 31, 2022, 2021 and 2020 was as follows:
|  | Fiscal year ended January 31,
|  | 2022 |  | 2021 |  | 2020
Issued shares |  | 0.9 |  |  | 0.9 |  |  | 0.9 |
Average price of issued shares |  | $ | 130.13 |  |  | $ | 122.73 |  |  | $ | 102.20 |
Weighted average grant date fair value of awards granted under the ESPP |  | $ | 84.21 |  |  | $ | 55.98 |  |  | $ | 47.78 |
Employee and Director Stock Options Outstanding | The following table summarizes the number of outstanding options and awards granted to employees and directors, as well as the number of securities remaining available for future issuance under these plans as of January 31, 2022:
| (a) |  | (b) |  | (c)
Plan category | Number of securities to be issued upon exercise or vesting of outstanding options and awards (in millions) |  | Weighted-average exercise price of outstanding options |  | Number of securities remaining available for future issuance under equity compensation plans (excluding securities reflected in column (a)) (in millions) (1)
Equity compensation plans approved by security holders | 4.1 |  |  | $ | 21.03 |  |  | 13.3 |
Total | 4.1 |  |  | $ | 21.03 |  |  | 13.3 |
____________________ (1)Included in this amount are 5.6 million securities available for future issuance under Autodesk’s ESPP.

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- Definition Tabular disclosure of employee stock purchase plan activity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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