FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Tables)

3 Months Ended

Dec. 31, 2025

Fair Value Disclosures [Abstract]

Schedule of Recurring Fair Value Measurements

The following table presents the fair value for those assets and (liabilities) measured on a recurring basis as of December 31, 2025 and September 30, 2025:

	December 31, 2025
	Assets								Liabilities
(in millions)	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Interest rate derivatives	$	—	$	17.4	$	—	$	17.4	$	—	$	—	$	—	$	—
Foreign exchange hedges	—		0.4		—		0.4		—		(1.2)		—		(1.2)
Insurance annuity	—		—		20.5		20.5		—		—		—		—
Cross currency swap	—		5.9		—		5.9		—		(53.5)		—		(53.5)
	September 30, 2025
	Assets								Liabilities
(in millions)	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Interest rate derivatives	$	—	$	22.1	$	—	$	22.1	$	—	$	—	$	—	$	—
Foreign exchange hedges	—		0.5		—		0.5		—		(0.6)		—		(0.6)
Insurance annuity	—		—		20.3		20.3		—		—		—		—
Cross currency swap	—		5.9		—		5.9		—		(51.0)		—		(51.0)

Schedule of Quantitative about Significant Unobservable Inputs Used to Determine Fair Value of Impairment of Long-Lived Assets Held and Used

The following table presents quantitative information about the significant unobservable inputs used to determine the fair value of the impairment of long-lived assets held and used and net assets held for sale for the three months ended December 31, 2025 and 2024:

	Quantitative Information about Level 3 Fair Value Measurements
(in millions)	Impairment Amount		Valuation Technique	Unobservable Input	Range of Input Values
December 31, 2025
Long Lived Assets	$	0.2	Discounted Cash Flows; Indicative Bids	Discounted Cash Flows; Indicative Bids	N/A
Total	$	0.2
December 31, 2024
Long Lived Assets	$	0.3	Discounted Cash Flows; Indicative Bids	Discounted Cash Flows; Indicative Bids	N/A
Total	$	0.3