PENSION BENEFITS (Tables)

6 Months Ended

Jun. 30, 2017

PENSION BENEFITS [Abstract]

Components Of Net Periodic Benefit Costs

	Three months ended		Six months ended
	June 30,		June 30,
	2017	2016	2017	2016
	(In thousands)
Service cost	$    1,532	$    2,213	$     3,064	$    4,426
Interest cost	2,294	2,341	4,588	4,682
Expected return on assets	(2,953)	(2,613)	(5,906)	(5,226)
Recognized prior service cost	(186)	(179)	(372)	(358)
Recognized net loss	1,719	1,690	3,438	3,380
Net periodic benefit costs	$    2,406	$    3,452	$     4,812	$    6,904