Stock-based Compensation Expense (Tables)

3 Months Ended

Apr. 30, 2013

Stock Based Compensation Expense [Abstract]

Schedule of Share-based Compensation, Stock Options, Activity

A summary of stock option activity for the three months ended April 30, 2013 is as follows:

	Number of Shares		Weighted average exercise price per share		Weighted average remaining contractual term	Aggregate Intrinsic Value (3)
	(in millions)				(in years)	(in millions)
Options outstanding at January 31, 2013	19.0		$	32.69
Granted (1)	—		—
Exercised	(2.0	)	23.46
Canceled	(0.3	)	40.21
Options outstanding at April 30, 2013	16.7		$	33.66	3.6	$	126.5
Options vested and exercisable at April 30, 2013	14.3		$	32.96	3.1	$	119.3
Options vested as of April 30, 2013 and expected to vest thereafter (2)	16.6		$	33.64	3.6	$	126.3
Options available for grant at April 30, 2013	12.7

 _______________

(1) Autodesk did not grant stock options in the three months ended April 30, 2013.

(2) Options expected to vest reflect an estimated forfeiture rate.

(3) Represents the total pre-tax intrinsic value, based on Autodesk’s closing stock price of $39.38 per share as of April 30, 2013, 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 [Table Text Block]

The following table summarizes information about the pre-tax intrinsic value of options exercised, and the weighted average grant date fair value per share of options granted, during the three months ended April 30, 2013, and 2012.

	Three Months Ended
	April 30, 2013		April 30, 2012
Pre-tax intrinsic value of options exercised (1)	$	32.8	$	60.3
Weighted average grant date fair value per share of stock options granted (2) (3)	N/A		$	13.43

 _______________

(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.

(2) The weighted average grant date fair value of stock options granted is calculated, as of the stock option grant date, using the Black-Scholes-Merton option pricing model.

(3) Autodesk did not grant stock options in the three months ended April 30, 2013.

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

The following table summarizes information about options outstanding and exercisable at April 30, 2013:

	Options Vested and Exercisable						Options Outstanding
	Number of Shares (in millions)	Weighted average contractual life (in years)	Weighted average exercise price		Aggregate intrinsic value (1) (in millions)		Number of Shares (in millions)	Weighted average contractual life (in years)	Weighted average exercise price		Aggregate intrinsic value (1) (in millions)
Range of per-share exercise prices:
$2.28 - $28.56	3.3		$	15.99			3.5		$	16.62
$28.57 - $31.22	2.9		29.53				3.4		29.54
$31.23 - $38.55	2.3		33.79				2.5		34.03
$38.56 - $41.62	2.2		41.62				3.3		41.62
$41.63 - $49.80	3.6		45.52				4.0		45.38
	14.3	3.1	$	32.96	$	119.3	16.7	3.6	$	33.66	$	126.5

 _______________

(1) Represents the total pre-tax intrinsic value, based on Autodesk’s closing stock price of $39.38 per share as of April 30, 2013, which would have been received by the option holders had all option holders exercised their options as of that date.

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

A summary of restricted stock unit and restricted stock award activity for the three months ended April 30, 2013 is as follows:

	Unreleased Restricted Stock		Weighted average grant date fair value per share
	(in thousands)
Unreleased restricted stock at January 31, 2013	5,020.8		$	33.89
Granted	1,078.0		41.58
Released	(714.5	)	35.66
Canceled	(180.0	)	35.31
Performance Adjustment (1)	(14.0	)	35.94
Unreleased restricted stock at April 30, 2013	5,190.3		$	35.27

 _______________

(1) Based on Autodesk financial results for the performance period, the fiscal 2013 performance stock units were earned at 92.3% of the target award. The fiscal 2013 performance stock units will pay out at 92.3% percent of the target award; however, the vesting of the performance stock units is subject to the holders satisfying the remaining service condition of the awards.

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

The following table summarizes stock-based compensation expense for the three months ended April 30, 2013 and 2012, respectively, as follows:

	Three Months Ended April 30, 2013			Three Months Ended April 30, 2012
Cost of license and other revenue	$	0.9		$	0.9
Cost of subscription	0.6			0.4
Marketing and sales	14.1			14.6
Research and development	10.9			11.1
General and administrative	7.0			6.4
Stock-based compensation expense related to stock awards and ESP Plan purchases	33.5			33.4
Tax benefit	(9.3		)	(8.7		)
Stock-based compensation expense related to stock awards and ESP Plan purchases, net of tax	$	24.2		$	24.7

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]

Autodesk uses the following assumptions to estimate the fair value of stock-based awards:

	Three Months Ended April 30, 2013			Three Months Ended April 30, 2012
	Stock Option (1)	Performance Stock Unit	ESP Plan	Stock Option	Performance Stock Unit (2)	ESP Plan
Range of expected volatilities	N/A	34%	27 - 36%	44 - 45%	N/A	41 - 43%
Range of expected lives (in years)	N/A	N/A	0.5 - 2.0	3.6 - 4.6	N/A	0.5 - 2.0
Expected dividends	N/A	—%	—%	—%	N/A	—%
Range of risk-free interest rates	N/A	0.1%	0.1 - 0.3%	0.5 - 0.8%	N/A	0.1 - 0.3%
Expected forfeitures	N/A	N/A	7.7%	7.8%	N/A	7.8%

 _______________

(1) Autodesk did not grant stock options in the three months ended April 30, 2013.

(2) Autodesk did not grant PSUs in the three months ended April 30, 2012 that were subject to market conditions.