Income Taxes (Tables)

12 Months Ended

Jan. 31, 2016

Income Tax Disclosure [Abstract]

Provision for income taxes

The provision for income taxes consists of the following:

	Fiscal year ended January 31,
	2016			2015			2014
Federal:
Current	$	(4.7	)	$	(43.8	)	$	29.1
Deferred	220.9			(11.9		)	(41.4		)
State:
Current	0.5			(13.2		)	0.6
Deferred	20.9			9.0			—
Foreign:
Current	68.4			69.5			63.9
Deferred	4.2			(8.4		)	(1.1		)
	$	310.2		$	1.2		$	51.1

Differences between the U.S. statutory rate and the aggregate income tax provision

The differences between the U.S. statutory rate and the aggregate income tax provision are as follows:

	Fiscal year ended January 31,
	2016			2015			2014
Income tax provision at U.S. Federal statutory rate	$	(7.1	)	$	29.0		$	98.0
State income tax benefit, net of the U.S. Federal benefit	(7.6		)	(4.0		)	(2.9		)
Foreign income taxed at rates different from the U.S. statutory rate	(29.4		)	(40.0		)	(57.1		)
U.S. valuation allowance	345.0			2.9			2.1
Tax effect of non-deductible stock-based compensation	19.3			15.7			10.8
Research and development tax credit benefit	(9.4		)	(7.2		)	(8.8		)
Closure of income tax audits and changes in uncertain tax positions	(4.7		)	(0.7		)	3.6
Tax effect of officer compensation in excess of $1.0 million	1.4			2.4			3.0
Non-deductible expenses	2.6			2.2			2.6
Other	0.1			0.9			(0.2		)
	$	310.2		$	1.2		$	51.1

Components of Deferred Tax Assets and Liabilities

Significant components of Autodesk’s deferred tax assets and liabilities are as follows:

	January 31,
	2016			2015
Stock-based compensation	$	37.5		$	39.9
Research and development tax credit carryforwards	91.3			62.6
Foreign tax credit carryforwards	51.1			—
Accrued compensation and benefits	41.5			43.6
Other accruals not currently deductible for tax	23.6			18.4
Purchased technology and capitalized software	64.3			53.9
Fixed assets	18.6			16.2
Tax loss carryforwards	17.6			16.0
Deferred Revenue	56.7			48.0
Other	13.9			7.4
Total deferred tax assets	416.1			306.0
Less: valuation allowance	(398.0		)	(70.8		)
Net deferred tax assets	18.1			235.2
Indefinite lived intangibles	(54.1		)	(40.7		)
Unremitted earnings of foreign subsidiaries	(22.4		)	(9.4		)
Total deferred tax liabilities	(76.5		)	(50.1		)
Net deferred tax assets	$	(58.4	)	$	185.1

Unrecognized Tax Benefits Reconciliation, Table

A reconciliation of the beginning and ending amount of the gross unrecognized tax benefits is as follows:

	Fiscal Year Ended January 31,
	2016			2015			2014
Gross unrecognized tax benefits at the beginning of the fiscal year	$	245.8		$	222.1		$	212.7
Increases for tax positions of prior years	1.4			3.2			1.8
Decreases for tax positions of prior years	(7.0		)	(2.5		)	(0.3		)
Increases for tax positions related to the current year	15.8			33.2			15.3
Decreases relating to settlements with taxing authorities	(0.5		)	(5.4		)	(4.6		)
Reductions as a result of lapse of the statute of limitations	(1.2		)	(4.8		)	(2.8		)
Gross unrecognized tax benefits at the end of the fiscal year	$	254.3		$	245.8		$	222.1