Stock Based Compensation (Tables)

6 Months Ended

Feb. 28, 2021

Share-based Payment Arrangement [Abstract]

Schedule of assumptions about stock options

The estimated fair value of employee stock options granted on November 9, 2020 was determined with the following assumptions:

November 9, 2020 Grant Details
Risk-free interest rate	0.10% - 0.80%
Expected life (years)	7.13
Expected volatility	27.5	%
Dividend yield	0.91	%
Estimated fair value	$78.23
Exercise price	$316.71
Fair value as a percentage of exercise price	24.7	%

On January 15, 2021, FactSet granted 12,137 stock options to the Company's non-employee directors, using the Black-Scholes option-pricing model with the following assumptions:

January 15, 2021 Grant Details
Risk-free interest rate	0.77	%
Expected life (years)	6.9
Expected volatility	27.2	%
Dividend yield	0.93	%
Estimated fair value	$82.01
Exercise price	$318.20
Fair value as a percentage of exercise price	25.8	%