XML 46 R36.htm IDEA: XBRL DOCUMENT v3.20.2
Stockholders' Equity (Tables)
 9 Months Ended
Sep. 30, 2020
Share-based Payment Arrangement [Abstract]  
Schedule of Share-based Compensation, Restricted Stock Units Award Activity
The following table summarizes the activity and related information for RSUs for the periods presented below (in millions, except per share amounts):
 Restricted Stock Units Outstanding
 Number of SharesWeighted-Average Grant Date Fair Value per Share
Balance—December 31, 20196.1 $64.56 
Granted1.8 121.30 
Forfeited(0.3)76.80 
Vested(2.3)57.07 
Balance—September 30, 20205.3 $86.31 
Schedule of Share-based Compensation, Shares Withheld for Taxes
The following summarizes the number and value of the shares withheld for employee taxes (in millions):
Three Months EndedNine Months Ended
September 30,
2020		September 30,
2019		September 30,
2020		September 30,
2019
Shares withheld for taxes0.2 0.2 0.7 0.9 
Amount withheld for taxes$27.6 $19.6 $86.5 $76.1 
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions
The following table summarizes the weighted-average assumptions relating to our employee stock options: 
 Three Months EndedNine Months Ended
 September 30,
2020		September 30,
2019		September 30,
2020		September 30,
2019
Expected term in years4.44.44.44.4
Volatility39.9 %35.3 %34.6 %34.2 %
Risk-free interest rate0.2 %1.4 %1.1 %2.4 %
Dividend rate— %— %— %— %
Schedule of Share-based Compensation, Stock Options, Activity
The following table summarizes the stock option activity and related information for the periods presented below (in millions, except exercise prices and contractual life):
 Options Outstanding
 Number
of Shares		Weighted-
Average
Exercise
Price 		Weighted-
Average
Remaining
Contractual
Life (Years)		Aggregate
Intrinsic
Value
Balance—December 31, 20192.7 $50.37 
Granted0.6 118.96 
Forfeited(0.1)91.73 
Exercised(0.4)40.99 
Balance—September 30, 20202.8 $66.72 
Options vested and expected to vest—September 30, 20202.8 $66.72 4.4$146.4 
Options exercisable—September 30, 20201.5 $42.81 3.3$109.6 
Schedule of Share-based Compensation, Stock Options, Activity, Additional Information
Additional information related to our stock options is summarized below (in millions, except per share amounts):
Three Months EndedNine Months Ended
September 30,
2020		September 30,
2019		September 30,
2020		September 30,
2019
Weighted-average fair value per share granted $43.80 $24.97 $35.76 $26.96 
Intrinsic value of options exercised 5.5 3.2 35.8 40.1 
Fair value of options vested2.5 2.0 10.9 8.2 
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Stock-based compensation expense, including stock-based compensation expense related to awards classified as liabilities, is included in costs and expenses as follows (in millions):
 Three Months EndedNine Months Ended
 September 30,
2020		September 30,
2019		September 30,
2020		September 30,
2019
Cost of product revenue$0.4 $0.4 $1.2 $1.2 
Cost of service revenue3.3 2.7 9.5 8.4 
Research and development12.7 9.3 35.6 28.7 
Sales and marketing27.7 24.9 81.3 76.6 
General and administrative5.9 5.1 17.3 15.5 
Total stock-based compensation expense$50.0 $42.4 $144.9 $130.4 
Schedule of Employee Service Share based Compensation Allocation of Recognized Period Costs by Award Type
The following table summarizes stock-based compensation expense, including stock-based compensation expense related to awards classified as liabilities, by award type (in millions):
 Three Months EndedNine Months Ended
 September 30,
2020		September 30,
2019		September 30,
2020		September 30,
2019
RSUs$46.4 $39.5 $134.5 $120.6 
Stock options3.6 2.9 10.4 8.5 
ESPP— — — 1.3 
Total stock-based compensation expense$50.0 $42.4 $144.9 $130.4 
Income Tax Benefit from Stock Option Plans
Total income tax benefit associated with stock-based compensation that is recognized in the condensed consolidated statements of income is as follows (in millions):
Three Months EndedNine Months Ended
September 30,
2020		September 30,
2019		September 30,
2020		September 30,
2019
Income tax benefit associated with stock-based compensation $11.0 $9.8 $31.9 $30.1