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Employee and Director Stock Plans - Options Outstanding (Details) - $ / shares shares in Millions | Jan. 31, 2016 | Jan. 31, 2015
--- | --- | ---
Number of securities to be issued upon exercise of outstanding options |  | 9.3 |
Weighted Average Exercise Price |  | $ 37.06 | $ 34.46
Shares available for future issuance |  | 62.9 |
Equity Compensation Plans Approved by Security Holders |  |  |
Number of securities to be issued upon exercise of outstanding options |  | 9.3 |
Weighted Average Exercise Price |  | $ 37.06 |
Shares available for future issuance | [1] | 62.9 |
ESP Plan |  |  |
Shares available for future issuance |  | 43.3 |
[1] | Included in this amount are 43.3 million securities available for future issuance under Autodesk’s ESP Plan.

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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Details
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