BENEFIT PLANS (Tables)

6 Months Ended

Jun. 30, 2019

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	2019	2018	2019	2018
Components of Net Periodic Benefit Cost
Service cost	$        1,249	$        1,429	$        2,498	$        2,858
Interest cost	9,410	8,875	18,820	17,751
Expected return on plan assets	(11,937)	(14,797)	(23,875)	(29,594)
Amortization of prior service cost	335	335	670	670
Amortization of actuarial loss	1,358	2,456	2,716	4,913
Net periodic pension benefit cost (credit)	$           415	$       (1,702)	$           829	$       (3,402)
Pretax reclassifications from AOCI included in
net periodic pension benefit cost	$        1,693	$        2,791	$        3,386	$        5,583

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	2019	2018	2019	2018
Components of Net Periodic Benefit Cost
Service cost	$           330	$           340	$           659	$           679
Interest cost	347	310	694	620
Amortization of prior service credit	(979)	(990)	(1,959)	(1,981)
Amortization of actuarial gain	(327)	(325)	(654)	(649)
Net periodic postretirement benefit credit	$          (629)	$          (665)	$       (1,260)	$       (1,331)
Pretax reclassifications from AOCI included in
net periodic postretirement benefit credit	$       (1,306)	$       (1,315)	$       (2,613)	$       (2,630)