BENEFIT PLANS (Tables)

3 Months Ended

Mar. 31, 2023

Pension Plans, Defined Benefit [Member]

Defined Benefit Plan Disclosure [Line Items]

Components of Net Periodic Benefit Cost

PENSION BENEFITS	Three Months Ended
	March 31
in millions	2023	2022
Components of Net Periodic Benefit Cost
Service cost	$          0.6	$          1.0
Interest cost	8.5	5.3
Expected return on plan assets	(6.9)	(7.5)
Amortization of prior service cost	0.4	0.4
Amortization of actuarial loss	1.4	1.1
Net periodic pension benefit cost	$          4.0	$          0.3
Pretax reclassifications from AOCI included in
net periodic pension benefit cost	$          1.8	$          1.5

Other Postretirement Benefit Plans, Defined Benefit [Member]

Defined Benefit Plan Disclosure [Line Items]

Components of Net Periodic Benefit Cost

OTHER POSTRETIREMENT BENEFITS	Three Months Ended
	March 31
in millions	2023	2022
Components of Net Periodic Benefit Cost
Service cost	$          0.5	$          0.6
Interest cost	0.5	0.2
Amortization of prior service cost (credit)	0.4	(0.1)
Amortization of actuarial gain	(0.4)	(0.3)
Net periodic postretirement benefit cost	$          1.0	$          0.4
Pretax reclassifications from AOCI included in
net periodic postretirement benefit credit	$          0.0	$        (0.4)