Postretirement Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2022

Compensation And Retirement Disclosure [Abstract]

Components of Net Periodic Benefit Cost

Components of Net Periodic Benefit Cost

	UNITED STATES
(In thousands)	Three Months Ended June 30						Six Months Ended June 30
	2022			2021			2022			2021
Interest cost	$	1,235		$	1,177		$	2,469		$	2,354
Expected return on plan assets		(2,201	)		(2,586	)		(4,401	)		(5,171	)
Amortization of net actuarial loss		577			1,144			1,154			2,288
Net periodic benefit  cost (income)	$	(389	)	$	(265	)	$	(778	)	$	(529	)

	UNITED KINGDOM
(In thousands)	Three Months Ended June 30						Six Months Ended June 30
	2022			2021			2022			2021
Interest cost	$	95		$	91		$	196		$	179
Expected return on plan assets		(100	)		(81	)		(207	)		(162	)
Amortization of net actuarial loss		2			18			5			35
Net periodic benefit cost (income)	$	(3	)	$	28		$	(6	)	$	52

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 June 30				Six Months Ended June 30
	2022		2021		2022		2021
Retirement savings contributions	$	1,947	$	1,978	$	4,145	$	4,017
Profit sharing contributions		1,959		1,865		3,425		3,731
Total defined contribution plan expenses	$	3,906	$	3,843	$	7,570	$	7,748