v3.26.1
Reclassifications from Accumulated Other Comprehensive Loss (Tables)
 12 Months Ended
Jun. 30, 2026
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Summary of Changes in AOCI by Component, Net of Tax
The changes in AOCI by component, net of tax, for the years ended June 30, 2026 and 2025 were as follows:

($ in millions) (a)Cash flow hedging itemsPension and other postretirement benefit plan itemsForeign currency itemsTotal
Balances at June 30, 2025$(4.2)$(27.4)$(36.3)$(67.9)
Other comprehensive (loss) income before reclassifications(1.4)46.6 (1.6)43.6 
Amounts reclassified from AOCI (b)1.8 2.1 — 3.9 
Total other comprehensive income (loss), net of tax0.4 48.7 (1.6)47.5 
Balances at June 30, 2026$(3.8)$21.3 $(37.9)$(20.4)
($ in millions) (a)Cash flow hedging itemsPension and other postretirement benefit plan itemsForeign currency itemsTotal
Balances at June 30, 2024$(5.9)$(44.3)$(43.7)$(93.9)
Other comprehensive (loss) income before reclassifications(1.5)13.1 7.4 19.0 
Amounts reclassified from AOCI (b)3.2 3.8 — 7.0 
Total other comprehensive income, net of tax1.7 16.9 7.4 26.0 
Balances at June 30, 2025$(4.2)$(27.4)$(36.3)$(67.9)
(a)    All amounts are net of tax. Amounts in parentheses indicate debits.
(b)    See separate table below for further details.
Summary of Amounts Reclassified from AOCI
The following is a summary of amounts reclassified from AOCI for the years ended June 30, 2026 and 2025:
 
Amount Reclassified from AOCI
Details about AOCI ComponentsYears Ended June 30,
($ in millions) (a)Location of loss20262025
Cash flow hedging items:
Commodity contractsCost of sales$(2.4)$(4.2)
Total before tax(2.4)(4.2)
Tax benefit0.6 1.0 
Net of tax$(1.8)$(3.2)
Amount Reclassified from AOCI
Details about AOCI ComponentsYears Ended June 30,
($ in millions) (a)Location of loss20262025
Amortization of pension and other postretirement benefit plan items:
Net actuarial loss$(0.7)$(1.7)
Prior service cost(1.7)(3.3)
Settlement charge(0.3)— 
Total before tax(b)(2.7)(5.0)
Tax benefit(b)0.6 1.2 
Net of tax(b)$(2.1)$(3.8)
(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 11 for additional details).