Income Tax	3 Months Ended
Apr. 30, 2016
Income Tax Disclosure [Abstract]
Income Tax	Income Tax Autodesk's income tax expense was $14.4 million and $2.7 million for the three months ended April 30, 2016 and 2015, respectively, relative to a pre-tax loss of $158.6 million and pre-tax income of $21.8 million, respectively, for the same periods. Income tax expense consists primarily of foreign taxes and U.S. tax expense related to indefinite-lived intangibles. As of April 30, 2016, the Company had $254.6 million of gross unrecognized tax benefits, excluding interest, of which approximately $239.9 million represents the amount of unrecognized tax benefits that would impact the effective tax rate, if recognized. However, this rate impact would be offset to the extent that recognition of unrecognized tax benefits currently presented as a reduction of deferred tax assets would increase the valuation allowance. It is possible that the amount of unrecognized tax benefits will change in the next twelve months; however, an estimate of the range of the possible change cannot be made at this time. The Company is currently the subject of a tax audit in China covering certain transfer pricing matters from 2004-2013. On May 12, 2016, the China Tax Authority (the "CTA") provided an outline of the CTA's current position, but no adjustment has been proposed. Autodesk is currently evaluating that information and believes it is reasonably possible that a future settlement could result in a material tax charge. However, an estimate of the possible tax charge cannot be made based on information available at the balance sheet date.

Income Tax

3 Months Ended

Apr. 30, 2016

Autodesk's income tax expense was $14.4 million and $2.7 million for the three months ended April 30, 2016 and 2015, respectively, relative to a pre-tax loss of $158.6 million and pre-tax income of $21.8 million, respectively, for the same periods. Income tax expense consists primarily of foreign taxes and U.S. tax expense related to indefinite-lived intangibles.

As of April 30, 2016, the Company had $254.6 million of gross unrecognized tax benefits, excluding interest, of which approximately $239.9 million represents the amount of unrecognized tax benefits that would impact the effective tax rate, if recognized. However, this rate impact would be offset to the extent that recognition of unrecognized tax benefits currently presented as a reduction of deferred tax assets would increase the valuation allowance. It is possible that the amount of unrecognized tax benefits will change in the next twelve months; however, an estimate of the range of the possible change cannot be made at this time.

The Company is currently the subject of a tax audit in China covering certain transfer pricing matters from 2004-2013. On May 12, 2016, the China Tax Authority (the "CTA") provided an outline of the CTA's current position, but no adjustment has been proposed. Autodesk is currently evaluating that information and believes it is reasonably possible that a future settlement could result in a material tax charge. However, an estimate of the possible tax charge cannot be made based on information available at the balance sheet date.