Postretirement Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2019

Compensation And Retirement Disclosure [Abstract]

Components of Net Periodic Benefit Cost

Components of Net Periodic Benefit Cost

	UNITED STATES						UNITED KINGDOM
(In thousands)	Three Months Ended March 31						Three Months Ended March 31
	2019			2018			2019			2018
Interest cost	$	1,661		$	1,539		$	142		$	148
Expected return on plan assets		(2,361	)		(2,321	)		(201	)		(231	)
Amortization of net actuarial loss		652			937			63			57
Net periodic benefit cost	$	(48	)	$	155		$	4		$	(26	)

Defined Contribution Plan Expenses for Company's Qualified Contribution Plans

Defined contribution plan expenses for the Company’s qualified contribution plans were as follows:

(In thousands)	Three Months Ended March 31
	2019		2018
Retirement savings contributions	$	2,409	$	1,757
Profit sharing contributions		882		942
Total defined contribution plan expenses	$	3,291	$	2,699