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Equity-Based Compensation (Tables)

12 Months Ended

Sep. 30, 2023

Share-Based Payment Arrangement [Abstract]

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan

The compensation cost for employee and non-employee director equity-based compensation programs for all current and prior year awards granted are as follows:

						2023						2022						2021
Stock appreciation rights						$	1,584					$	2,370					$	2,345
Performance-based restricted stock units						2,479						1,718						1,151
Time vested restricted stock units						2,461						1,423						602
Restricted stock awards						1,102						850						730
Employee stock purchase plan						2,956						2,521						2,633
Total compensation cost before income taxes						$	10,582					$	8,882					$	7,461
Income tax benefit						$	1,156					$	970					$	893

Schedule of Nonvested PSU Activity

PSUs are as follows:

Performance-Based Restricted Stock Units						Number of Awards						Weighted- Average Grant Date Fair Value
Nonvested at October 1, 2022						58,444						$	78.41
Granted in 2023						40,949						85.17
Vested in 2023						(27,077)						73.39
Forfeited in 2023						(2,417)						80.29
Nonvested at September 30, 2023						69,899						$	84.25

Schedule of Nonvested TVA Activity

TVAs are as follows:

Time Vested Restricted Stock Units						Number of Awards						Weighted- Average Fair Value
Nonvested at October 1, 2022						54,559						$	71.40
Granted in 2023						39,920						85.17
Vested in 2023						(17,768)						86.21
Forfeited in 2023						(1,220)						105.13
Decrease due to fair value change in 2023						(25,446)						n/a
Nonvested at September 30, 2023						50,045						$	112.72

Schedule of Employee Stock Purchase Plan Activity

Shares and the weighted-average price per share associated with the ESPP are as follows:

Employee Stock Purchase Plan						2023						2022						2021
Shares issued						155,704						139,121						141,647
Weighted-average price per share						$	70.91					$	67.91					$	58.52

Schedule Of Range Of Assumptions Used To Value Equity-Based Awards And The Weighted-Average Fair Value Of The Awards Granted

The following table provides the range of assumptions used to value awards and the weighted-average fair value of the awards granted.

												2022						2021
Expected volatility												39% - 40%						38% - 41%
Risk-free rate												1.3		%				0.4% - 0.5%
Expected dividends												1.2		%				1.4		%
Expected term												5-6 years						5-6 years
Weighted-average fair value of awards granted												$	27.86					$	23.11

Schedule of Stock Appreciation Rights Activity

SARs are as follows:

Stock Appreciation Rights						Number of Awards						Weighted- Average Exercise Price						Weighted- Average Remaining Contractual Life						Aggregate Intrinsic Value
Outstanding at October 1, 2022						858,503						$	73.67
Exercised in 2023						(152,698)						57.85
Expired in 2023						(1,736)						85.95
Forfeited in 2023						(2,559)						79.59
Outstanding at September 30, 2023						701,510						$	77.06					4.7 years						$	25,045
Exercisable at September 30, 2023						614,012						$	76.66					4.2 years						$	22,169

Schedule Of Intrinsic Value Of Awards Exercised And Fair Value Of Awards Vested

The intrinsic value of awards exercised and fair value of awards vested are as follows:

Stock Appreciation Rights						2023						2022						2021
Intrinsic value of SARs exercised						$	5,596					$	3,777					$	3,833
Total fair value of SARs vested						$	2,426					$	2,346					$	2,558

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Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit.

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