XML 46 R62.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Employee and Director Stock Plans - Options Outstanding (Details) (USD $) In Millions, except Per Share data, unless otherwise specified | Jan. 31, 2015 | Jan. 31, 2014
--- | --- | ---
Number of securities to be issued upon exercise of outstanding options | 10.5 adsk_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesToBeIssuedUponExerciseOfOutstandingAwards |  |
Weighted Average Exercise Price | $ 34.46 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice |  | $ 33.54 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Shares available for future issuance | 55.0 adsk_EmployeeStockPlanSharesRemainingAvailableForIssuance |  |
Equity Compensation Plans Approved by Security Holders |  |  |
Number of securities to be issued upon exercise of outstanding options | 10.5 adsk_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesToBeIssuedUponExerciseOfOutstandingAwards / us-gaap_PlanNameAxis = adsk_EquityCompensationPlansApprovedBySecurityHoldersMember |  |
Weighted Average Exercise Price | $ 34.46 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_PlanNameAxis = adsk_EquityCompensationPlansApprovedBySecurityHoldersMember |  |
Shares available for future issuance | 55.0 adsk_EmployeeStockPlanSharesRemainingAvailableForIssuance / us-gaap_PlanNameAxis = adsk_EquityCompensationPlansApprovedBySecurityHoldersMember | [1] |
[1] | Included in this amount are 40.7 million securities available for future issuance under Autodesk’s ESP Plan.

X
- Definition Shares remaining available for issuance for the plan. + References No definition available. + Details
Name: | adsk_EmployeeStockPlanSharesRemainingAvailableForIssuance
Namespace Prefix: | adsk_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Share Based Compensation Arrangement by Share Based Payment Award, Number of Shares to be Issued Upon Exercise of Outstanding Awards + References No definition available. + Details
Name: | adsk_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesToBeIssuedUponExerciseOfOutstandingAwards
Namespace Prefix: | adsk_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- 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
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_PlanNameAxis=adsk_EquityCompensationPlansApprovedBySecurityHoldersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |