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EQUITY (Tables)

12 Months Ended

Sep. 30, 2025

Equity [Abstract]

Schedule of Authorized and Issued Shares

Authorized and issued shares consisted of the following (in millions):

			September 30,
			2025						2024
Preferred shares, no par value:
Authorized			0.2 shares						0.2 shares
Issued			0.0 shares						0.0 shares
Common shares, no par value, $0.01 stated value per share:
Authorized			100.0 shares						100.0 shares
Issued			68.1 shares						68.1 shares

Schedule of Accumulated Other Comprehensive Loss

Changes in AOCL by component were as follows for the fiscal years ended September 30:

						Foreign Currency Translation Adjustments						Net Unrealized Gain (Loss) On Derivative Instruments						Net Unrealized Loss On Securities						Pension and Other Post- Retirement Benefit Adjustments												Accumulated Other Comprehensive Income (Loss)
Balance at September 30, 2022						$	(28.9)					$	33.3					$	(79.7)					$	(69.3)											$	(144.6)
Other comprehensive income (loss) before reclassifications						7.0						5.6						(34.9)						(2.5)												(24.8)
Amounts reclassified from accumulated other comprehensive net income (loss)						—						(23.3)						101.3						(1.6)												76.4
Income tax benefit (expense)						—						4.5						(25.3)						1.0												(19.8)
Net current period other comprehensive income (loss)						7.0						(13.2)						41.1						(3.1)												31.8
Balance at September 30, 2023						(21.9)						20.1						(38.6)						(72.4)												(112.8)
Other comprehensive income (loss) before reclassifications						0.6						(10.6)						(40.4)						(2.8)												(53.2)
Amounts reclassified from accumulated other comprehensive net income (loss)						—						(9.7)						64.6						(2.7)												52.2
Income tax benefit (expense)						—						5.1						—						1.4												6.5
Net current period other comprehensive income (loss)						0.6						(15.2)						24.2						(4.1)												5.5
Balance at September 30, 2024						(21.3)						4.9						(14.4)						(76.5)												(107.3)
Other comprehensive income (loss) before reclassifications						(0.5)						3.9						(3.5)						(6.5)												(6.6)
Amounts reclassified from accumulated other comprehensive net income (loss)						9.5						(9.9)						—						2.1												1.7
Income tax benefit (expense)						—						1.5						—						1.1												2.6
Net current period other comprehensive income (loss)						9.0						(4.5)						(3.5)						(3.4)												(2.4)
Balance at September 30, 2025						$	(12.2)					$	0.3					$	(17.9)					$	(79.9)											$	(109.7)

The sum of the components may not equal due to rounding.

Schedule of Share-Based Compensation

Total share-based compensation was as follows for each of the periods indicated:

			Year Ended September 30,
			2025						2024						2023
Share-based compensation			$	70.5					$	79.8					$	68.1
Related tax benefit recognized			13.3						14.8						15.6

Schedule of Aggregate Stock Option Activity

Stock option activity was as follows:

			No. of   Options						Wtd. Avg. Exercise Price						Wtd. Avg. Remaining Life						Aggregate Intrinsic Value
Awards outstanding at September 30, 2024			2,377,672						$	65.03					7.5 years
Granted			498,810						71.60
Exercised			(173,943)						58.96
Forfeited			(174,871)						70.20
Awards outstanding at September 30, 2025			2,527,668						66.43						7.3 years						$	7.7
Exercisable			491,392						107.44						4.3 years						0.4

Schedule of Share-Based Awards Granted

The weighted average assumptions used in the estimation of fair value for option awards granted during fiscal 2025 are as follows:

Expected volatility			39.6		%
Risk-free interest rate			4.2		%
Expected dividend yield			3.3		%
Expected life			6.1 years

Details of the assumptions used in the estimation of fair value for these awards are as follows:

Expected volatility			38.6		%
Risk-free interest rate			4.2		%

Schedule of Restricted Share-Based Award Activity

Restricted share-based award activity (including restricted stock units and deferred stock units) was as follows:

			No. of Units						Wtd. Avg. Grant Date Fair Value per Unit
Awards outstanding at September 30, 2024			766,384						$	68.54
Granted			392,164						70.39
Vested			(662,478)						74.83
Forfeited			(17,146)						70.44
Awards outstanding at September 30, 2025			478,924						61.28

Schedule of Performance-Based Award Activity

Performance-based award activity was as follows (based on target award amounts):

			No. of Units						Wtd. Avg. Grant Date Fair Value per Unit
Awards outstanding at September 30, 2024			409,430						$	86.61
Granted			147,787						71.35
Forfeited			(112,469)						113.50
Awards outstanding at September 30, 2025			444,748						75.38

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