Pension and Other Postretirement Obligations (Tables)

9 Months Ended

Oct. 01, 2017

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Costs

The following table provides the components of net periodic benefit costs for our pension and other postretirement benefit plans:

	Pension Obligations						Other Postretirement Obligations
Three Months Ended	October 1, 2017			October 2, 2016			October 1, 2017		October 2, 2016
	(In thousands)
Service cost	$	1,206		$	1,282		$	14	$	11
Interest cost	1,822			2,202			344		305
Expected return on plan assets	(2,487		)	(2,931		)	—		—
Amortization of prior service credit	(10		)	(11		)	—		(11		)
Actuarial losses	633			659			23		29
Settlement loss	—			7,385			—		—
Net periodic benefit cost	$	1,164		$	8,586		$	381	$	334
Nine Months Ended
Service cost	$	3,549		$	4,118		$	41	$	40
Interest cost	5,391			7,020			1,000		1,152
Expected return on plan assets	(7,415		)	(9,339		)	—		—
Amortization of prior service credit	(30		)	(29		)	—		(33		)
Actuarial losses	1,866			2,067			68		260
Settlement loss	—			7,385			—		—
Net periodic benefit cost	$	3,361		$	11,222		$	1,109	$	1,419