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OTHER COMPREHENSIVE INCOME (Tables)
3 Months Ended
Mar. 31, 2025
Stockholders' Equity Note [Abstract]  
Schedule of Accumulated Other Comprehensive Income, Net of Tax
Amounts in accumulated other comprehensive income (loss) (AOCI), net of tax, are as follows:
in millionsMarch 31
2025
December 31
2024
March 31
2024
Cash flow hedges$(17.3)$(17.7)$(19.0)
Pension and postretirement plans(108.7)(109.7)(123.1)
Total AOCI$(126.0)$(127.4)$(142.1)
Schedule of Changes in Accumulated Other Comprehensive Income, Net of Tax
Changes in AOCI, net of tax, for the three months ended March 31, 2025 are as follows:
in millionsCash Flow
Hedges
Pension and
Postretirement
Benefit Plans
Total
AOCI Balances as of December 31, 2024$(17.7)$(109.7)$(127.4)
Amounts reclassified from AOCI0.4 1.0 1.4 
AOCI Balances as of March 31, 2025$(17.3)$(108.7)$(126.0)
Schedule of Amounts Reclassified from Accumulated Other Comprehensive Income to Earnings
Amounts reclassified from AOCI to earnings are as follows:
Three Months Ended
March 31
in millions20252024
Amortization of Accumulated Cash Flow Hedge Losses
Interest expense$0.6 $0.5 
Benefit from income taxes(0.2)(0.1)
Total$0.4 $0.4 
Amortization of Accumulated Benefit Plan Costs
Other nonoperating expense$1.3 $1.7 
Benefit from income taxes(0.3)(0.4)
Total$1.0 $1.3 
Total reclassifications from AOCI to earnings$1.4 $1.7