Employee Benefit Plans (Tables)

3 Months Ended

Apr. 02, 2017

Compensation and Retirement Disclosure [Abstract]

Components of Net Periodic Benefit Cost (Credit)

The following table summarizes the components of net periodic pension credit for the Company’s various defined benefit employee pension and postretirement plans for the three months ended April 2, 2017 and April 3, 2016:

	Defined Benefit Pension Benefits						Postretirement Medical Benefits
	Three Months Ended
	April 2, 2017			April 3, 2016			April 2, 2017			April 3, 2016
	(In thousands)
Service cost	$	1,214		$	1,092		$	23		$	25
Interest cost	4,127			4,730			31			36
Expected return on plan assets	(6,500		)	(6,188		)	(279		)	(259		)
Amortization of prior service costs	(47		)	(54		)	—			—
Net periodic pension credit	$	(1,206	)	$	(420	)	$	(225	)	$	(198	)