Post-Retirement Health Care (Tables)

9 Months Ended

Sep. 29, 2018

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Cost

The following table sets forth the components of net periodic benefit costs included in the Condensed Consolidated Statements of Comprehensive Income (in thousands):

	Three Months Ended				Nine Months Ended
	September 29, 2018		September 30, 2017		September 29, 2018		September 30, 2017
Service cost	$	213	$	185	$	639	$	556
Interest cost	197		206		591		619
Amortization of net (gain) loss	32		6		95		19
Net periodic post-retirement benefit cost	$	442	$	397	$	1,325	$	1,194