Income Taxes (Tables)

12 Months Ended

Sep. 30, 2025

Income Tax Disclosure [Abstract]

Schedule of Provisions for Income Taxes

The provisions for income taxes from continuing operations consisted of the following:

	Fiscal Year
	2025		2024		2023
Currently payable:
United States - Federal	$	(6.8)	$	6.3	$	12.5
State	(0.4)		0.2		3.5
Foreign	27.1		25.4		21.5
Total current	19.9		31.9		37.5
Deferred:
United States - Federal	(14.7)		(4.8)		(4.5)
State	(1.8)		1.5		(0.6)
Foreign	(5.2)		(6.3)		0.6
Total deferred	(21.7)		(9.6)		(4.5)
Income tax provision	$	(1.8)	$	22.3	$	33.0

Schedule of Source of Pre-Tax Earnings

The source of pre-tax earnings was:

	Fiscal Year
	2025		2024		2023
United States	$	(105.7)	$	(13.3)	$	37.6
Foreign	129.3		134.2		110.1
Pre-tax earnings	$	23.6	$	120.9	$	147.7

Schedule of Reconciliation of Income Taxes at Statutory Rate

A reconciliation of income taxes with the amounts computed at the statutory federal income tax rate follows:

	Fiscal Year
	2025				2024				2023
Computed tax at federal statutory rate	$	5.0	21.0	%	$	25.4	21.0	%	$	31.0	21.0	%
State income taxes, net of federal tax benefit	(2.4)		(10.2)		0.9		0.7		2.7		1.8
Foreign tax less than the federal rate (1)	(4.1)		(17.1)		(9.1)		(7.6)		(1.0)		(0.7)
Adjustments to prior years’ tax accruals	(8.6)		(36.2)		(4.3)		(3.5)		(6.1)		(4.2)
Other taxes including repatriation of foreign earnings	5.5		23.8		7.1		5.9		4.4		3.1
Compensation adjustments	3.8		15.9		4.0		3.4		1.9		1.2
Other, net	0.1		0.3		1.7		1.4		(0.5)		(0.3)
Uncertain tax positions	(6.7)		(28.4)		(3.4)		(2.8)		0.6		0.4
Goodwill impairment	8.4		35.3		—		—		—		—
Rerate of deferred tax balances	(2.8)		(11.7)		—		—		—		—
Total	$	(1.8)	(7.3)	%	$	22.3	18.5	%	$	33.0	22.3	%

Schedule of Deferred Tax Assets and Deferred Tax Liabilities

The deferred tax assets and deferred tax liabilities recorded on the Consolidated Balance Sheet include current and noncurrent amounts and were as follows: 

	September 30,
	2025		2024
Deferred tax liabilities:
Depreciation and property differences	$	(14.2)	$	(18.3)
Amortizable assets	(220.0)		(229.3)
Lease liabilities	(20.0)		(23.1)
Other tax liabilities	(0.2)		(7.3)
Gross deferred tax liabilities	(254.4)		(278.0)
Deferred tax assets:
Accrued liabilities	50.8		54.2
Deferred and share-based compensation	14.5		14.4
Tax carryforwards and tax credits	69.4		51.1
Postretirement benefits other than pensions	0.9		1.3
Pension plans	12.9		28.0
Inventory differences	5.1		5.9
Lease right of use assets	19.8		23.3
Deferred revenue	1.0		4.2
Other tax assets	7.3		9.4
Gross deferred tax assets	181.7		191.8
Valuation allowance	(20.9)		(21.5)
Net deferred tax liabilities	$	(93.6)	$	(107.7)

Schedule of Unrecognized Tax Benefits Activity

Unrecognized tax benefits activity is summarized below:

	2025		2024		2023
Unrecognized tax benefits, beginning of year	$	16.6	$	19.7	$	19.4
Additions based on current year tax positions and acquisitions	2.2		2.1		1.9
Settlements with taxing authorities and statute expirations	(7.6)		(5.2)		(1.6)
Unrecognized tax benefits, end of year	$	11.2	$	16.6	$	19.7