Pension And Other Retirement Plans (Tables)

3 Months Ended

Mar. 31, 2017

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Benefit Costs

The components of net periodic benefit credit for Company-sponsored pension plans, net of taxes, for the three months ended March 31, 2017 and March 31, 2016 were as follows (in thousands):

	Pension Benefits
	Three Months Ended
	March 31, 2017			March 31, 2016
Service cost	$	186		$	169
Interest cost	19,569			20,751
Expected return on plans’ assets	(25,327		)	(26,913		)
Amortization of prior service costs	23			—
Net periodic benefit credit	$	(5,549	)	$	(5,993	)