Stock-Based Compensation (Tables)

3 Months Ended

Dec. 31, 2021

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Share-based Payment Arrangement, Activity [Table Text Block]

A summary of the stock-based awards granted during the three-month periods ended December 31, 2021 and 2020 is presented below:

	Three Months Ended December 31,
	2021			2020
	Number Granted	Weighted Average Grant Date Fair Value		Number Granted	Weighted Average Grant Date Fair Value
Stock options	548,398	$	18.59	932,678	$	9.36
Stock appreciation rights	19,768	18.59		35,254	9.36
Restricted stock/units	1,170,634	79.54		1,599,552	45.61
Performance shares	438,476	84.27		410,934	50.53

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	Three Months Ended December 31,
	2021	2020
Expected life of option (years)	6.0	6.5
Risk-free interest rate	1.35%	0.6%
Expected volatility of the Company’s stock	27.8%	27.6%
Expected dividend yield on the Company’s stock	1.71%	2.28%

Schedule of share-based payment award, performance share, valuation assumptions [Table Text Block]

	Three Months Ended December 31,
	2021	2020
Risk-free interest rate	0.99%	0.20%
Expected volatility of the Company’s stock	30.0%	30.9%