BENEFIT PLANS (Tables)

6 Months Ended

Jun. 30, 2020

Pension Benefits [Member]

Defined Benefit Plan Disclosure [Line Items]

Components of Net Periodic Benefit Cost

PENSION BENEFITS	Three Months Ended		Six Months Ended
	June 30		June 30
in thousands	2020	2019	2020	2019
Components of Net Periodic Benefit Cost
Service cost	$        1,331	$        1,249	$        2,662	$        2,498
Interest cost	7,531	9,410	15,062	18,820
Expected return on plan assets	(12,485)	(11,937)	(24,969)	(23,875)
Amortization of prior service cost	335	335	670	670
Amortization of actuarial loss	3,140	1,358	6,279	2,716
Net periodic pension benefit cost (credit)	$          (148)	$           415	$          (296)	$           829
Pretax reclassifications from AOCI included in
net periodic pension benefit cost	$        3,475	$        1,693	$        6,949	$        3,386

Postretirement Benefits [Member]

Defined Benefit Plan Disclosure [Line Items]

Components of Net Periodic Benefit Cost

OTHER POSTRETIREMENT BENEFITS	Three Months Ended		Six Months Ended
	June 30		June 30
in thousands	2020	2019	2020	2019
Components of Net Periodic Benefit Cost
Service cost	$           380	$           330	$           760	$           659
Interest cost	242	347	485	694
Amortization of prior service credit	(980)	(979)	(1,959)	(1,959)
Amortization of actuarial gain	(201)	(327)	(403)	(654)
Net periodic postretirement benefit credit	$          (559)	$          (629)	$       (1,117)	$       (1,260)
Pretax reclassifications from AOCI included in
net periodic postretirement benefit credit	$       (1,181)	$       (1,306)	$       (2,362)	$       (2,613)