Equity Compensation (Tables)

3 Months Ended

Apr. 30, 2021

Share-based Payment Arrangement [Abstract]

Schedule of Summary of Restricted Stock Activity

A summary of restricted stock activity for the three months ended April 30, 2021, is as follows:

	Unvested restricted stock units	Weighted average grant date fair value per share
	(in thousands)
Unvested restricted stock units at January 31, 2021	4,503.9	$	191.91
Granted	1,582.8	292.20
Vested	(558.4)	161.69
Canceled/Forfeited	(112.6)	198.93
Performance Adjustment (1)	(7.9)	137.02
Unvested restricted stock units at April 30, 2021	5,407.8	$	226.12

 _______________

(1)Based on Autodesk's financial results and relative total stockholder return for the fiscal 2021 performance period. The performance stock units were attained at rates ranging from 103.0% to 108.0% of the target award.

Schedule of Summary of the ESPP Activity

A summary of the ESPP activity for the three months ended April 30, 2021 and 2020, is as follows:

	Three Months Ended April 30,
	2021		2020
Issued shares (in millions)	0.5		0.5
Average price of issued shares	$	128.02	$	122.54
Weighted average grant date fair value of shares granted under the ESPP (1)	$	91.17	$	45.70

 _______________

(1)Calculated as of the award grant date using the Black-Scholes Merton (“BSM”) option pricing model.

Schedule of Stock-based Compensation Expense

The following table summarizes stock-based compensation expense for the three months ended April 30, 2021 and 2020, respectively, as follows:

	Three Months Ended April 30,
	2021		2020
Cost of subscription and maintenance revenue	$	5.3	$	3.7
Cost of other revenue	1.8		1.5
Marketing and sales	48.3		40.7
Research and development	46.7		32.9
General and administrative	13.7		19.4
Stock-based compensation expense related to stock awards and ESPP purchases	115.8		98.2
Tax benefit	(16.0)		(0.1)
Stock-based compensation expense related to stock awards and ESPP purchases, net of tax	$	99.8	$	98.1

Schedule of Assumptions to Estimate the Fair Value of Stock-based Awards

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

	Three Months Ended April 30, 2021		Three Months Ended April 30, 2020
	Performance Stock Units	ESPP	Performance Stock Units	ESPP
Range of expected volatility	36.9%	36.5 - 41.8%	50.7%	39.4 - 45.8%
Range of expected lives (in years)	N/A	0.5- 2.0	N/A	0.5 - 2.0
Expected dividends	—%	—%	—%	—%
Range of risk-free interest rates	0.1%	0.1- 0.2%	0.3%	0.3 - 0.5%