BENEFIT PLANS (Tables)

9 Months Ended

Sep. 30, 2019

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	2019	2018	2019	2018
Components of Net Periodic Benefit Cost
Service cost	$        1,248	$        1,429	$        3,746	$        4,287
Interest cost	9,410	8,876	28,230	26,627
Expected return on plan assets	(11,938)	(14,797)	(35,813)	(44,391)
Amortization of prior service cost	335	335	1,005	1,005
Amortization of actuarial loss	1,358	2,457	4,074	7,370
Net periodic pension benefit cost (credit)	$           413	$       (1,700)	$        1,242	$       (5,102)
Pretax reclassifications from AOCI included in
net periodic pension benefit cost	$        1,693	$        2,792	$        5,079	$        8,375

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	2019	2018	2019	2018
Components of Net Periodic Benefit Cost
Service cost	$           329	$           339	$           988	$        1,018
Interest cost	347	310	1,041	930
Amortization of prior service credit	(980)	(991)	(2,939)	(2,972)
Amortization of actuarial gain	(327)	(324)	(981)	(973)
Net periodic postretirement benefit credit	$          (631)	$          (666)	$       (1,891)	$       (1,997)
Pretax reclassifications from AOCI included in
net periodic postretirement benefit credit	$       (1,307)	$       (1,315)	$       (3,920)	$       (3,945)