BENEFIT PLANS (Tables)

6 Months Ended

Jun. 30, 2016

Pension Plans, Defined Benefit [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	2016	2015	2016	2015
Components of Net Periodic Benefit Cost
Service cost	$        1,336	$        1,212	$        2,672	$        2,425
Interest cost	9,126	11,036	18,252	22,073
Expected return on plan assets	(12,890)	(13,684)	(25,781)	(27,368)
Amortization of prior service cost (credit)	(10)	12	(21)	24
Amortization of actuarial loss	1,541	5,455	3,082	10,909
Net periodic pension benefit cost (credit)	$          (897)	$        4,031	$       (1,796)	$        8,063
Pretax reclassifications from AOCI included in
net periodic pension benefit cost	$        1,531	$        5,467	$        3,061	$      10,933

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		Six Months Ended
	June 30		June 30
in thousands	2016	2015	2016	2015
Components of Net Periodic Benefit Cost
Service cost	$           280	$           474	$           561	$           947
Interest cost	303	626	605	1,243
Amortization of prior service credit	(1,059)	(1,058)	(2,118)	(2,116)
Amortization of actuarial (gain) loss	(437)	23	(875)	19
Net periodic postretirement benefit cost (credit)	$          (913)	$             65	$       (1,827)	$             93
Pretax reclassifications from AOCI included in
net periodic postretirement benefit credit	$       (1,496)	$       (1,035)	$       (2,993)	$       (2,097)