XML 45 R29.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Employee and Director Stock Plans (Tables) | 12 Months Ended
--- | ---
Jan. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Share-based Compensation, Stock Options, Activity | A summary of stock option activity for the fiscal year ended January 31, 2018 is as follows:
| Number of Shares (in millions) |  | Weighted average exercise price per share |  | Weighted average remaining contractual term (in years) |  | Aggregate Intrinsic Value (1) (in millions)
Options outstanding at January 31, 2017 | 0.6 |  |  | $ | 39.25 |  |  |  |  |
Exercised | (0.4 | ) |  | 38.66 |  |  |  |  |
Options vested, exercisable and outstanding at January 31, 2018 | 0.2 |  |  | $ | 40.49 |  |  | 2.87 |  | $ | 16.4 |
Shares available for grant at January 31, 2018 | 22.2 |  |  |  |  |  |  |
_______________
(1) | Represents the total pre-tax intrinsic value, based on Autodesk’s closing stock price of $115.62 per share as of January 31, 2018, which would have been received by the option holders had all option holders exercised their options as of that date.
Intrinsic Value of Options Exercised and Weighted Average Grant Date Fair Value of Stock Options Granted | The following table summarizes information about the pre-tax intrinsic value of options exercised during the fiscal years ended January 31, 2018, 2017, and 2016:
| Fiscal year ended January 31,
| 2018 |  | 2017 |  | 2016
Pre-tax intrinsic value of options exercised (1) | $ | 22.8 |  |  | $ | 32.0 |  |  | $ | 32.6 |
—————— (1) The intrinsic value of options exercised is calculated as the difference between the exercise price of the option and the market value of the stock on the date of exercise.
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range | The following table summarizes information about options vested and exercisable, and outstanding at January 31, 2018:
| Number of Shares (in thousands) |  | Weighted average exercise price per share
Range of per-share exercise prices: |  |  |
$28.56 - $36.44 | 32.6 |  |  | $ | 34.23 |
$38.55 - $38.55 | 1.8 |  |  | 38.55 |
$41.62 - $41.62 | 184.4 |  |  | 41.62 |
| 218.8 |  |  | $ | 40.49 |
Restricted Share Activity Disclosure | A summary of restricted stock activity for the fiscal year ended January 31, 2018 is as follows:
| Unreleased Restricted Stock Units (in thousands) |  | Weighted average grant date fair value per share
Unvested restricted stock at January 31, 2017 | 7,622.4 |  |  | $ | 60.13 |
Granted | 2,481.8 |  |  | 106.55 |
Vested | (3,765.7 | ) |  | 57.85 |
Canceled/Forfeited | (692.5 | ) |  | 69.08 |
Performance Adjustment (1) | 24.7 |  |  | 61.79 |
Unvested restricted stock at January 31, 2018 | 5,670.7 |  |  | $ | 82.94 |
_______________ (1) Based on Autodesk's financial results and relative total stockholder return for the fiscal 2017 performance period. The performance stock units were attained at rates ranging from 99.7% to 114.7% of the target award.
Schedule of Share-based Compensation, Employee Stock Purchase Plan, Activity | A summary of the ESPP activity for the years ended January 31, 2018, 2017 and 2016 is as follows:
|  | Fiscal Year Ended January 31,
|  | 2018 |  | 2017 |  | 2016
Issued shares |  | 2.0 |  |  | 2.3 |  |  | 2.1 |
Average price of issued shares |  | $ | 39.03 |  |  | $ | 36.99 |  |  | $ | 36.29 |
Weighted average grant date fair value of awards granted under the ESPP |  | $ | 32.41 |  |  | $ | 19.20 |  |  | $ | 11.85 |
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, 2018:
| (a) |  | (b) |  | (c) |
Plan category | Number of securities to be issued upon exercise of outstanding options (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) |
Equity compensation plans approved by security holders | 5.9 |  |  | $ | 40.49 |  |  | 31.3 |  | (1)
Total | 5.9 |  |  | $ | 40.49 |  |  | 31.3 |  |
____________________
(1) | Included in this amount are 9.1 million securities available for future issuance under Autodesk’s ESPP.

X
- Definition Intrinsic Value of Options Exercised and Weighted Average Grant Date Fair Value of Stock Options Granted [Text Block] + References No definition available. + Details
Name: | adsk_IntrinsicValueofOptionsExercisedandWeightedAverageGrantDateFairValueofStockOptionsGrantedTableTextBlock
Namespace Prefix: | adsk_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule Of Stock Options Granted [Table Text Block] + References No definition available. + Details
Name: | adsk_ScheduleOfStockOptionsGrantedTableTextBlock
Namespace Prefix: | adsk_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of employee stock purchase plan activity. + 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 (g) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationEmployeeStockPurchasePlanActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + 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 (d) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration