Postretirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2017

Compensation And Retirement Disclosure [Abstract]

Components of Net Periodic Benefit Cost

Components of Net Periodic Benefit Cost

	UNITED STATES
(In thousands)	Three Months Ended September 30						Nine Months Ended September 30
	2017			2016			2017			2016
Interest cost	$	1,665		$	1,741		$	4,988		$	5,200
Expected return on plan assets		(2,323	)		(2,251	)		(6,966	)		(6,759	)
Amortization of net actuarial loss		738			776			2,314			2,540
Net periodic benefit cost	$	80		$	266		$	336		$	981

	UNITED KINGDOM
(In thousands)	Three Months Ended September 30						Nine Months Ended September 30
	2017			2016			2017			2016
Interest cost	$	151		$	177		$	441		$	564
Expected return on plan assets		(203	)		(218	)		(593	)		(694	)
Amortization of net actuarial loss		97			18			284			58
Net periodic benefit (income) cost	$	45		$	(23	)	$	132		$	(72	)

Defined Contribution Plan Expenses for Company's Retirement Savings Plans and Profit Sharing Plan

Defined contribution plan expenses for the Company’s retirement savings and profit sharing plans were as follows:

(In thousands)	Three Months Ended September 30				Nine Months Ended September 30
	2017		2016		2017		2016
Retirement savings plans	$	1,275	$	1,304	$	3,758	$	3,849
Profit sharing plan		1,308		1,595		5,259		5,098
Total  defined contribution expense	$	2,583	$	2,899	$	9,017	$	8,947