v3.26.1
Leases (Tables)
 6 Months Ended
Jun. 30, 2026
Leases [Abstract]  
Schedule of Lease Expense, Payments for Operating Leases, and Information Related to Lease Term and Discount Rates Our expenses and payments for finance leases were as follows:
Three Months EndedSix Months Ended
(Dollars in millions)June 30, 2026June 30, 2025June 30, 2026June 30, 2025
Amortization expense of finance lease right-of-use assets$0.4 $0.5 $0.8 $0.8 
Interest expense on finance lease obligations$(0.1)$(0.1)$(0.2)$(0.2)
Payments on finance lease obligations$0.6 $0.4 $0.9 $0.8 
Our expenses and payments for operating leases were as follows:
Three Months EndedSix Months Ended
(Dollars in millions)June 30, 2026June 30, 2025June 30, 2026June 30, 2025
Operating leases expense$1.2 $1.4 $2.5 $2.9 
Short-term leases expense$0.2 $0.2 $0.3 $0.4 
Payments on operating lease obligations$1.5 $1.7 $2.7 $2.8 
The following table includes information regarding the lease term and discount rates utilized in the calculation of the present value of net future minimum lease payments:
June 30, 2026December 31, 2025
Weighted Average Remaining Lease Term
Finance leases6.2 years6.7 years
Operating leases6.1 years6.4 years
Weighted Average Discount Rate
Finance leases4.61%4.70%
Operating leases5.52%5.55%
Schedule of Assets and Liabilities Balance Related To Finance and Operating Leases
The assets and liabilities balances related to finance and operating leases reflected in the condensed consolidated statements of financial position were as follows:
(Dollars in millions)Financial Statement Line ItemJune 30, 2026December 31, 2025
Finance lease right-of-use assetsProperty, plant and equipment, net$7.7 $8.6 
Operating lease right-of-use assetsOperating lease right-of-use assets$17.7 $19.2 
Finance lease obligations, current portionOther accrued liabilities$1.3 $1.4 
Finance lease obligations, non-current portionOther long-term liabilities$6.6 $7.4 
Total finance lease obligations$7.9 $8.8 
Operating lease obligations, current portionOperating lease obligations, current portion$4.0 $3.9 
Operating lease obligations, non-current portionOperating lease obligations, non-current portion$16.6 $17.9 
Total operating lease obligations$20.6 $21.8 
Schedule of Finance Lease Liability Maturity
The following table includes future minimum lease payments under finance and operating leases together with the present value of the net future minimum lease payments as of June 30, 2026:
FinanceOperating
(Dollars in millions)Leases in EffectLeases in Effect
2026$0.9 $2.6 
20271.6 4.5 
20281.4 3.5 
20291.4 3.3 
20301.3 3.1 
Thereafter2.6 8.0 
Total lease payments9.2 25.0 
Less: Interest(1.3)(4.4)
Present Value of Future Minimum Lease Payments$7.9 $20.6 
Schedule of Operating Lease Liability Maturity
The following table includes future minimum lease payments under finance and operating leases together with the present value of the net future minimum lease payments as of June 30, 2026:
FinanceOperating
(Dollars in millions)Leases in EffectLeases in Effect
2026$0.9 $2.6 
20271.6 4.5 
20281.4 3.5 
20291.4 3.3 
20301.3 3.1 
Thereafter2.6 8.0 
Total lease payments9.2 25.0 
Less: Interest(1.3)(4.4)
Present Value of Future Minimum Lease Payments$7.9 $20.6 
Schedule of Unrecorded Unconditional Purchase Obligations
The following table includes future minimum lease payments under finance and operating leases together with the present value of the net future minimum lease payments as of June 30, 2026:
FinanceOperating
(Dollars in millions)Leases in EffectLeases in Effect
2026$0.9 $2.6 
20271.6 4.5 
20281.4 3.5 
20291.4 3.3 
20301.3 3.1 
Thereafter2.6 8.0 
Total lease payments9.2 25.0 
Less: Interest(1.3)(4.4)
Present Value of Future Minimum Lease Payments$7.9 $20.6