Pension Plans (Tables)

6 Months Ended

Jun. 28, 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
	June 28, 2019			June 29, 2018			June 28, 2019		June 29, 2018
In thousands
Service cost	$	1,275		$	1,224		$	—	$	—
Interest cost on projected benefit obligation	6,605			5,951			59		63
Expected return on plan assets	(10,640		)	(11,960		)	—		—
Amortization of net loss	3,815			2,843			61		64
Net pension cost (income)	$	1,055		$	(1,942	)	$	120	$	127

	For the Six Months Ended
	Qualified Pension Plan						SERP
	June 28, 2019			June 29, 2018			June 28, 2019		June 29, 2018
In thousands
Service cost	$	2,550		$	2,448		$	—	$	—
Interest cost on projected benefit obligation	13,211			11,902			118		117
Expected return on plan assets	(21,280		)	(23,920		)	—		—
Amortization of net loss	7,630			5,686			122		147
Net pension cost (income)	$	2,111		$	(3,884	)	$	240	$	264