Pension Plans (Tables)

9 Months Ended

Sep. 30, 2016

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [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
	September 30, 2016			October 2, 2015			September 30, 2016		October 2, 2015
In thousands
Service cost	$	1,149		$	3,533		$	—	$	52
Interest cost on projected benefit obligation	6,122			6,878			64		79
Expected return on plan assets	(10,192		)	(11,032		)	—		—
Amortization of prior service cost	—			15			—		—
Amortization of net loss	3,173			2,479			45		54
Net pension cost	$	252		$	1,873		$	109	$	185

10. PENSION PLANS (CONTINUED)

	For the Nine Months Ended
	Qualified Pension Plan						SERP
	September 30, 2016			October 2, 2015			September 30, 2016		October 2, 2015
In thousands
Service cost	$	3,447		$	10,598		$	—	$	155
Interest cost on projected benefit obligation	18,366			20,635			192		238
Expected return on plan assets	(30,576		)	(33,097		)	—		—
Amortization of prior service cost	—			44			—		—
Amortization of net loss	9,520			7,438			136		164
Net pension cost	$	757		$	5,618		$	328	$	557