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RETIREMENT PLANS (Tables)

12 Months Ended

Sep. 30, 2023

Retirement Benefits [Abstract]

Schedule of Defined Benefit Pension Plans

The defined benefit pension plans are valued using a September 30 measurement date.

			U.S. Defined Benefit Pension Plans												International Defined Benefit Pension Plans
			2023						2022						2023						2022
Change in projected benefit obligation:
Benefit obligation at beginning of year			$	77.7					$	100.2					$	109.2					$	193.6
Interest cost			3.6						1.7						6.2						3.0
Actuarial gain			(2.5)						(17.2)						(11.0)						(55.1)
Benefits paid			(6.9)						(7.0)						(5.9)						(7.5)
Foreign currency translation			—						—						10.0						(24.8)
Projected benefit obligation (“PBO”) at end of year			$	71.8					$	77.7					$	108.5					$	109.2
Accumulated benefit obligation (“ABO”) at end of year			$	71.8					$	77.7					$	108.5					$	109.2
Change in plan assets:
Fair value of plan assets at beginning of year			$	59.1					$	81.7					$	128.9					$	221.6
Actual return on plan assets			1.7						(15.8)						(11.5)						(61.2)
Employer contribution			0.2						0.2						1.2						5.3
Benefits paid			(6.9)						(7.0)						(5.9)						(7.5)
Foreign currency translation			—						—						12.1						(29.3)
Fair value of plan assets at end of year			$	54.1					$	59.1					$	124.8					$	128.9
Overfunded (underfunded) status at end of year			$	(17.7)					$	(18.6)					$	16.3					$	19.7

			U.S. Defined Benefit Pension Plans												International Defined Benefit Pension Plans
			2023						2022						2023						2022
Information for pension plans with an ABO in excess of plan assets:
Accumulated benefit obligation			$	71.8					$	77.7					$	11.5					$	11.6
Fair value of plan assets			54.1						59.1						—						—
Information for pension plans with a PBO in excess of plan assets:
Projected benefit obligation			$	71.8					$	77.7					$	11.5					$	11.6
Fair value of plan assets			54.1						59.1						—						—
Amounts recognized in the Consolidated Balance Sheets consist of:
Non-current assets			$	—					$	—					$	27.8					$	31.3
Current liabilities			(0.2)						(0.2)						(0.9)						(0.8)
Non-current liabilities			(17.5)						(18.4)						(10.6)						(10.8)
Total amount accrued			$	(17.7)					$	(18.6)					$	16.3					$	19.7
Amounts recognized in AOCL consist of:
Actuarial loss			$	35.2					$	38.8					$	60.0					$	51.2
Prior service cost			—						—						2.1						2.1
Total amount recognized			$	35.2					$	38.8					$	62.1					$	53.3

			U.S. Defined Benefit Pension Plans												International Defined Benefit Pension Plans
			2023						2022						2023						2022
Total change in other comprehensive loss attributable to:
Net gain (loss) during the period			$	1.8					$	(1.3)					$	(6.0)					$	(11.1)
Reclassification to net earnings			1.8						1.7						2.0						1.3
Foreign currency translation			—						—						(4.8)						10.6
Total change in other comprehensive loss			$	3.6					$	0.4					$	(8.8)					$	0.8
Weighted average assumptions used in development of projected benefit obligation:
Discount rate			5.54		%				5.06		%				5.38		%				4.96		%

Components of Net Periodic Benefit Cost

			U.S. Defined Benefit Pension Plans																		International Defined Benefit Pension Plans
			2023						2022						2021						2023						2022						2021
Components of net periodic benefit cost (income):
Interest cost			$	3.6					$	1.7					$	1.5					$	6.2					$	3.0					$	2.6
Expected return on plan assets			(2.5)						(2.8)						(3.4)						(5.5)						(5.1)						(5.5)
Net amortization			1.8						1.7						2.1						2.0						1.3						1.3
Net periodic benefit cost (income)			$	2.9					$	0.6					$	0.2					$	2.7					$	(0.8)					$	(1.6)
Weighted average assumptions used in development of net periodic benefit cost (income):
Weighted average discount rate - interest cost			4.87		%				1.74		%				1.43		%				5.29		%				1.64		%				1.26		%
Expected return on plan assets			4.50		%				3.50		%				4.25		%				3.91		%				2.37		%				2.45		%

Schedule of Other Information

			U.S. Defined Benefit Pension Plans						International Defined Benefit Pension Plans
Other information:
Plan asset allocations:
Target for September 30, 2024:
Equity securities			22		%				—		%
Debt securities			74		%				5		%
Real estate securities			4		%				—		%
Cash and cash equivalents			—		%				11		%
Insurance contracts			—		%				84		%
September 30, 2023
Equity securities			18		%				—		%
Debt securities			75		%				5		%
Real estate securities			3		%				—		%
Cash and cash equivalents			4		%				11		%
Insurance contracts			—		%				84		%
September 30, 2022
Equity securities			17		%				25		%
Debt securities			75		%				44		%
Real estate securities			5		%				—		%
Cash and cash equivalents			3		%				1		%
Insurance contracts			—		%				30		%
Expected company contributions in fiscal 2024			$	2.9					$	1.8
Expected future benefit payments:
2024			$	7.4					$	6.4
2025			7.1						6.7
2026			7.0						6.8
2027			6.8						6.8
2028			6.6						7.0
2029 – 2033			29.4						37.0

Fair Value of The Company's Pension Plan Asset

The following tables set forth the fair value of the Company’s pension plan assets, segregated by level within the fair value hierarchy:

															U.S. Defined Benefit Pension Plans												International Defined Benefit Pension Plans
									Fair Value Hierarchy Level						2023						2022						2023						2022
Cash and cash equivalents									Level 1						$	2.2					$	2.1					$	14.0					$	1.7
Insurance contracts									Level 3						—						—						104.3						38.1
Total assets in the fair value hierarchy															$	2.2					$	2.1					$	118.3					$	39.8
Common collective trusts measured at net asset value
Real estate															$	1.8					$	2.8					$	—					$	—
Equities															10.0						10.0						—						32.6
Fixed income															40.1						44.2						6.5						56.5
Total common collective trusts measured at net asset value															51.9						57.0						6.5						89.1
Total assets at fair value															$	54.1					$	59.1					$	124.8					$	128.9

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Schedule Of Allocation Of Plan Assets And Expected Future Benefit Payments

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Tabular disclosure of the reconciliation of beginning and ending balances of the fair value of plan assets of pension plans and/or other employee benefit plans showing separately, if applicable, the effects during the period attributable to each of the following: actual return on plan assets, foreign currency exchange rate changes, contributions by the employer, contributions by plan participants, benefits paid, business combinations, divestitures, and settlements.

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Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans.

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Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.

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