EMPLOYEE BENEFITS (Tables)

3 Months Ended

Mar. 31, 2019

EMPLOYEE BENEFITS

Schedule of elements of retirement and post-retirement costs

	Three Months Ended
	March 31,		April 1,
(in thousands)	2019		2018
Pension plans:
Interest Cost	$	20,521	$	19,788
Expected return on plan assets		(21,502)		(22,624)
Special termination benefits		6,834		—
Actuarial loss		5,525		6,295
Net pension expense		11,378		3,459
Net post-retirement benefit credit		(651)		(681)
Net retirement benefit expenses	$	10,727	$	2,778