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Stock-Based Compensation (Tables)
9 Months Ended
Jun. 30, 2023
Share-Based Payment Arrangement [Abstract]  
Share-based Payment Arrangement, Activity
A summary of the stock-based awards granted is presented below:
 Nine Months Ended June 30,
 20232022
Number GrantedWeighted Average Grant Date Fair ValueNumber GrantedWeighted Average Grant Date Fair Value
Restricted stock/units1,799,240 $66.28 1,431,550 $75.62 
Performance shares339,191 79.54 482,030 82.88 
Stock options570,140 18.21 548,398 18.59 
Schedule of Share-Based Payment Award, Performance Share, Valuation Assumptions
The following table summarizes the assumptions used in determining the fair value of performance share units granted:
 Nine Months Ended
June 30,
20232022
Risk-free interest rate4.04%0.99%
Expected volatility of the Company’s stock33.5%30.0%
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions
The following table summarizes the assumptions used in determining the fair value of stock options granted:
 Nine Months Ended
June 30,
 20232022
Expected life of option (years)5.86.0
Risk-free interest rate3.59%1.35%
Expected volatility of the Company’s stock29.4%27.8%
Expected dividend yield on the Company’s stock2.10%1.71%