Benefit Plans (Tables)

3 Months Ended

Mar. 28, 2020

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

The components of net periodic benefit cost for the three months ended March 28, 2020 and March 30, 2019 were as follows: 

	For the Three Months Ended
(in thousands)	March 28, 2020			March 30, 2019
Components of net periodic benefit cost:
Service cost	$	618		$	500
Interest cost	658			784
Expected return on plan assets	(727		)	(790		)
Amortization of prior service and net actuarial loss	145			62
Net periodic benefit cost	$	694		$	556