BENEFIT PLANS (Tables)

3 Months Ended

Mar. 31, 2016

Pension Plans, Defined Benefit [Member]

Defined Benefit Plan Disclosure [Line Items]

Components of Net Periodic Benefit Cost

PENSION BENEFITS	Three Months Ended
	March 31
in thousands	2016	2015
Components of Net Periodic Benefit Cost
Service cost	$        1,336	$        1,213
Interest cost	9,126	11,037
Expected return on plan assets	(12,891)	(13,684)
Amortization of prior service cost (credit)	(11)	12
Amortization of actuarial loss	1,541	5,454
Net periodic pension benefit cost (credit)	$          (899)	$        4,032
Pretax reclassifications from AOCI included in
net periodic pension benefit cost	$        1,530	$        5,466

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
	March 31
in thousands	2016	2015
Components of Net Periodic Benefit Cost
Service cost	$           281	$           473
Interest cost	302	617
Amortization of prior service credit	(1,059)	(1,058)
Amortization of actuarial gain	(438)	(4)
Net periodic postretirement benefit cost (credit)	$          (914)	$             28
Pretax reclassifications from AOCI included in
net periodic postretirement benefit credit	$       (1,497)	$       (1,062)