Reclassifications from Accumulated Other Comprehensive Loss (Tables)

9 Months Ended

Mar. 31, 2025

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Changes in AOCI by Component, Net of Tax

The changes in AOCI by component, net of tax, for the three months ended March 31, 2025 and 2024 were as follows:

Three Months Ended March 31, 2025 ($ in millions) (a)	Cash flow hedging items		Pension and other postretirement benefit plan items		Foreign currency items		Total
Balances at December 31, 2024	$	(5.1)	$	(42.4)	$	(48.7)	$	(96.2)
Other comprehensive income before reclassifications	1.8		—		3.4		5.2
Amounts reclassified from AOCI (b)	0.5		1.0		—		1.5
Total other comprehensive income, net of tax	2.3		1.0		3.4		6.7
Balances at March 31, 2025	$	(2.8)	$	(41.4)	$	(45.3)	$	(89.5)

Three Months Ended March 31, 2024 ($ in millions) (a)	Cash flow hedging items		Pension and other postretirement benefit plan items		Foreign currency items		Total
Balances at December 31, 2023	$	(10.7)	$	(93.9)	$	(37.8)	$	(142.4)
Other comprehensive loss before reclassifications	(0.9)		(13.2)		(2.2)		(16.3)
Amounts reclassified from AOCI (b)	3.2		40.2		—		43.4
Total other comprehensive income (loss), net of tax	2.3		27.0		(2.2)		27.1
Balances at March 31, 2024	$	(8.4)	$	(66.9)	$	(40.0)	$	(115.3)

(a)    All amounts are net of tax. Amounts in parentheses indicate debits.

(b)    See separate table below for further details.

The changes in AOCI by component, net of tax, for the nine months ended March 31, 2025 and 2024 were as follows:

Nine Months Ended March 31, 2025 ($ in millions) (a)	Cash flow  hedging items		Pension and  other  postretirement  benefit plan  items		Foreign currency items		Total
Balances at June 30, 2024	$	(5.9)	$	(44.3)	$	(43.7)	$	(93.9)
Other comprehensive income (loss) before reclassifications	0.1		—		(1.6)		(1.5)
Amounts reclassified from AOCI (b)	3.0		2.9		—		5.9
Total other comprehensive income (loss), net of tax	3.1		2.9		(1.6)		4.4
Balances at March 31, 2025	$	(2.8)	$	(41.4)	$	(45.3)	$	(89.5)

Nine Months Ended March 31, 2024 ($ in millions) (a)	Cash flow  hedging items		Pension and  other  postretirement  benefit plan  items		Foreign currency items		Total
Balances at June 30, 2023	$	(7.0)	$	(95.5)	$	(40.5)	$	(143.0)
Other comprehensive (loss) income before reclassifications	(7.1)		(13.2)		0.5		(19.8)
Amounts reclassified from AOCI (b)	5.7		41.8		—		47.5
Total other comprehensive (loss) income, net of tax	(1.4)		28.6		0.5		27.7
Balances at March 31, 2024	$	(8.4)	$	(66.9)	$	(40.0)	$	(115.3)

(a)    All amounts are net of tax. Amounts in parentheses indicate debits.

(b)    See separate table below for further details.

Schedule of Amounts Reclassified from AOCI

The following is a summary of amounts reclassified from AOCI for the three and nine months ended March 31, 2025 and 2024:

Details about AOCI Components	Location of loss	Amount Reclassified from AOCI Three Months Ended March 31,				Amount Reclassified from AOCI Nine Months Ended March 31,
($ in millions) (a)		2025		2024		2025		2024
Cash flow hedging items:
Commodity contracts	Cost of sales	$	(0.7)	$	(4.2)	$	(3.9)	$	(7.4)
Total before tax		(0.7)		(4.2)		(3.9)		(7.4)
Tax benefit		0.2		1.0		0.9		1.7
Net of tax		$	(0.5)	$	(3.2)	$	(3.0)	$	(5.7)

Details about AOCI Components	Location of (loss) gain	Amount Reclassified from AOCI Three Months Ended March 31,				Amount Reclassified from AOCI Nine Months Ended March 31,
($ in millions) (a)		2025		2024		2025		2024
Amortization of pension and other postretirement benefit plan items:
Net actuarial loss	(b)	$	(0.5)	$	(1.3)	$	(1.5)	$	(4.3)
Prior service (cost) benefit	(b)	(0.8)		0.5		(2.4)		1.3
Pension settlement charge	(b)	—		(51.9)		—		(51.9)
Total before tax		(1.3)		(52.7)		(3.9)		(54.9)
Tax benefit		0.3		12.5		1.0		13.1
Net of tax		$	(1.0)	$	(40.2)	$	(2.9)	$	(41.8)

(a)    Amounts in parentheses indicate debits to income/loss.

(b)    These AOCI components are included in the computation of net periodic pension expense (income) (see Note 8. Pension and Other Postretirement Benefits for additional details).