BENEFIT PLANS (Tables)

9 Months Ended

Sep. 30, 2020

Pension Benefits [Member]

Defined Benefit Plan Disclosure [Line Items]

Components of Net Periodic Benefit Cost

PENSION BENEFITS	Three Months Ended		Nine Months Ended
	September 30		September 30
in thousands	2020	2019	2020	2019
Components of Net Periodic Benefit Cost
Service cost	$        1,331	$        1,248	$        3,993	$        3,746
Interest cost	7,531	9,410	22,593	28,230
Expected return on plan assets	(12,485)	(11,938)	(37,454)	(35,813)
Amortization of prior service cost	335	335	1,005	1,005
Amortization of actuarial loss	3,140	1,358	9,419	4,074
Net periodic pension benefit cost (credit)	$          (148)	$           413	$          (444)	$        1,242
Pretax reclassifications from AOCI included in
net periodic pension benefit cost	$        3,475	$        1,693	$      10,424	$        5,079

Postretirement Benefits [Member]

Defined Benefit Plan Disclosure [Line Items]

Components of Net Periodic Benefit Cost

OTHER POSTRETIREMENT BENEFITS	Three Months Ended		Nine Months Ended
	September 30		September 30
in thousands	2020	2019	2020	2019
Components of Net Periodic Benefit Cost
Service cost	$           380	$           329	$        1,140	$           988
Interest cost	242	347	727	1,041
Amortization of prior service credit	(980)	(980)	(2,939)	(2,939)
Amortization of actuarial gain	(201)	(327)	(604)	(981)
Net periodic postretirement benefit credit	$          (559)	$          (631)	$       (1,676)	$       (1,891)
Pretax reclassifications from AOCI included in
net periodic postretirement benefit credit	$       (1,181)	$       (1,307)	$       (3,543)	$       (3,920)