ACCUMULATED OTHER COMPREHENSIVE INCOME (Tables)

12 Months Ended

Sep. 30, 2024

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Accumulated Other Comprehensive Income

The changes in the components of accumulated other comprehensive income (loss), net of taxes, was as follows:

(in millions)	Foreign Currency Translation		Derivative Instruments		Defined Benefit Pension		Total
Balance as of September 30, 2021	$	(194.8)	$	6.4	$	(46.9)	$	(235.3)
Other comprehensive (loss) income before reclassification	(72.0)		30.7		18.3		(23.0)
Net reclassification for (gain) loss to income from continuing operations	—		(20.2)		3.6		(16.6)
Net reclassification for gain to income from discontinued operations	—		(2.4)		(0.1)		(2.5)
Other comprehensive (loss) income before tax	(72.0)		8.1		21.8		(42.1)
Deferred tax effect	(20.0)		2.3		(8.9)		(26.6)
Other comprehensive (loss) income, net of tax	(92.0)		10.4		12.9		(68.7)
Less: other comprehensive loss from continuing operations attributable to non-controlling interest	(0.4)		—		—		(0.4)
Less: other comprehensive loss from discontinued operations attributable to non-controlling interest	(0.5)		—		—		(0.5)
Other comprehensive (loss) income attributable to controlling interest	(91.1)		10.4		12.9		(67.8)
Balance as of September 30, 2022	(285.9)		16.8		(34.0)		(303.1)
Other comprehensive income (loss) before reclassification	37.3		(35.3)		(0.8)		1.2
Net reclassification for loss to income from continuing operations	—		12.2		0.8		13.0
Net reclassification for loss (gain) to income from discontinued operations	—		2.3		(0.1)		2.2
Other comprehensive income (loss) before tax	37.3		(20.8)		(0.1)		16.4
Deferred tax effect	7.0		5.4		(0.1)		12.3
Other comprehensive income (loss), net of tax	44.3		(15.4)		(0.2)		28.7
Deconsolidation of discontinued operations	26.6		—		(0.5)		26.1
Net change to determine comprehensive income for the period	$	70.9	$	(15.4)	$	(0.7)	$	54.8
Less: other comprehensive income from continuing operations attributable to non-controlling interest	0.3		—		—		0.3
Less: Deconsolidation of discontinued operations	0.8		—		—		0.8
Other comprehensive income (loss) attributable to controlling interest	69.8		(15.4)		(0.7)		53.7
Balance as of September 30, 2023	(216.1)		1.4		(34.7)		(249.4)
Other comprehensive income (loss) before reclassification	49.6		(20.0)		(5.3)		24.3
Net reclassification for loss to income from continuing operations	2.4		15.2		1.0		18.6
Other comprehensive income (loss) before tax	52.0		(4.8)		(4.3)		42.9
Deferred tax effect	0.1		1.2		1.3		2.6
Other comprehensive income (loss), net of tax	52.1		(3.6)		(3.0)		45.5
Less: other comprehensive income from continuing operations attributable to non-controlling interest	0.1		—		—		0.1
Other comprehensive income (loss) attributable to controlling interest	52.0		(3.6)		(3.0)		45.4
Balance as of September 30, 2024	$	(164.1)	$	(2.2)	$	(37.7)	$	(204.0)

Schedule of Reclassification Out of Accumulated Other Comprehensive Income

The following table presents reclassifications of the gain (loss) on the Consolidated Statements of Income from AOCI for the periods indicated:

(in millions)	2024						2023				2022
	Foreign Currency Translation		Defined Benefit Pension		Derivative Instruments		Defined Benefit Pension		Derivative Instruments		Defined Benefit Pension		Derivative Instruments
Net sales	$	—	$	—	$	0.3	$	—	$	0.2	$	—	$	0.1
Cost of goods sold	—		—		(15.5)		—		(12.4)		—		20.1
Other non-operating expense, net	(2.4)		(1.0)		—		(0.8)		—		(3.6)		—
Income from discontinued operations, net of tax	—		—		—		0.1		(2.3)		0.1		2.4