OTHER COMPREHENSIVE INCOME (Tables)

12 Months Ended

Dec. 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, at December 31, are as follows:

in millions	2025		2024		2023
Cash flow hedges	$	(16.0)	$	(17.7)	$	(19.4)
Pension and postretirement plans	(109.6)		(109.7)		(124.4)
Total AOCI	$	(125.6)	$	(127.4)	$	(143.8)

Schedule of Changes in Accumulated Other Comprehensive Income, Net of Tax

Changes in AOCI, net of tax, for the three years ended December 31 are as follows:

in millions	Cash Flow Hedges		Benefit Plans		Total
AOCI Balances at December 31, 2022	$	(21.0)	$	(133.7)	$	(154.7)
Other comprehensive income (loss) before reclassifications	0.0		4.2		4.2
Amounts reclassified from AOCI	1.6		5.1		6.7
Net OCI changes	1.6		9.3		10.9
AOCI Balances at December 31, 2023	$	(19.4)	$	(124.4)	$	(143.8)
Other comprehensive income (loss) before reclassifications	0.0		9.7		9.7
Amounts reclassified from AOCI	1.7		5.0		6.7
Net OCI changes	1.7		14.7		16.4
AOCI Balances at December 31, 2024	$	(17.7)	$	(109.7)	$	(127.4)
Other comprehensive income (loss) before reclassifications	0.0		(3.9)		(3.9)
Amounts reclassified from AOCI	1.7		4.0		5.7
Net OCI changes	1.7		0.1		1.8
AOCI Balances at December 31, 2025	$	(16.0)	$	(109.6)	$	(125.6)

Schedule of Amounts Reclassified from Accumulated Other Comprehensive Income to Earnings

Amounts reclassified from AOCI to earnings are as follows:

in millions	2025		2024		2023
Amortization of Accumulated Cash Flow Hedge Losses
Interest expense	$	2.4	$	2.2	$	2.1
Benefit from income taxes	(0.7)		(0.5)		(0.5)
Total	$	1.7	$	1.7	$	1.6
Amortization of Accumulated Benefit Plan Costs
Other nonoperating expense	$	5.4	$	6.8	$	6.9
Benefit from income taxes	(1.4)		(1.8)		(1.8)
Total	4.0		5.0		5.1
Total reclassifications from AOCI to earnings	$	5.7	$	6.7	$	6.7