Pension Plans (Tables)

3 Months Ended

Mar. 29, 2019

Defined Benefit Plan [Abstract]

Schedule of Net Benefit Costs

Components of net pension cost for the Qualified Pension Plan and Supplemental Employees’ Retirement Plan ("SERP") are as follows:

	For the Three Months Ended
	Qualified Pension Plan						SERP
	March 29, 2019			March 30, 2018			March 29, 2019		March 30, 2018
In thousands
Service cost	$	1,275		$	1,224		$	—	$	—
Interest cost on projected benefit obligation	6,606			5,951			59		54
Expected return on plan assets	(10,640		)	(11,960		)	—		—
Amortization of net loss	3,815			2,843			61		83
Net pension cost (income)	$	1,056		$	(1,942	)	$	120	$	137