Income Taxes (Tables)

12 Months Ended

Dec. 31, 2024

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense

	Years Ended December 31,
	2024		2023		2022
	(in thousands)
Income from continuing operations before taxes:
United States operations	$	74,850	$	86,805	$	97,900
Foreign operations	153,092		198,951		219,493
Income from continuing operations before taxes	$	227,942	$	285,756	$	317,393
Income tax expense (benefit):
Currently payable
United States federal	$	29,589	$	34,091	$	34,310
United States state and local	1,573		3,900		4,801
Foreign	14,320		18,166		6,677
	45,482		56,157		45,788
Deferred
United States federal	(6,342)		(7,497)		(446)
United States state and local	(1,041)		(623)		(50)
Foreign	(8,571)		(4,837)		4,353
	(15,954)		(12,957)		3,857
Income tax expense	$	29,528	$	43,200	$	49,645

Schedule of Effective Income Tax Rate Reconciliation from Continuing Operations

	Years Ended December 31,
	2024	2023	2022
Effective income tax rate reconciliation from continuing operations:
United States federal statutory rate	21.0%	21.0%	21.0%
State and local income taxes	(0.2)%	0.8%	1.2%
Impact of change in tax contingencies	3.8%	0.3%	0.1%
Foreign income tax rate differences	(11.6)%	(10.5)%	(10.9)%
Impact of change in deferred tax asset valuation allowance	(0.5)%	0.5%	(2.5)%
Domestic permanent differences and tax credits	(0.5)%	2.9%	6.3%
Impact of share-based compensation	1.0%	0.1%	0.4%
	13.0%	15.1%	15.6%

Schedule of Components of Deferred Income Tax Balances

The components of deferred income taxes were as follows:

	December 31,
	2024		2023
	(In thousands)
Components of deferred income tax balances:
Deferred income tax liabilities:
Plant, equipment, and intangibles	$	(136,386)	$	(98,112)
Right of use asset	(31,603)		(21,440)
	(167,989)		(119,552)
Deferred income tax assets:
Net operating loss, capital loss, and tax credit carryforwards	115,591		114,896
Reserves and accruals	54,085		41,474
Lease liability	32,351		22,073
Postretirement, pensions, and stock compensation	13,045		17,052
Valuation allowances	(108,064)		(109,676)
	107,008		85,819
Net deferred income tax liability	$	(60,981)	$	(33,733)

Schedule of Net Operating Loss Carryforwards

The following tables summarize our net operating loss carryforwards and tax credit carryforwards as of December 31, 2024 by jurisdiction:

	Net Operating Loss Carryforwards
	(In thousands)
United States - Federal and various states	$	39,265
Germany	19,369
United Kingdom	17,771
Other	8,070
Australia	7,501
Total	$	91,976

Schedule of Tax Credit Carryforwards

	Tax Credit Carryforwards
	(In thousands)
United States	$	13,039
Belgium	2,046
Total	$	15,085

Schedule of Reconciliation of Beginning and Ending Amounts of Unrecognized Tax Benefits

In 2024, we recognized a net $8.5 million increase to reserves for uncertain tax positions. A reconciliation of the beginning and ending amounts of unrecognized tax benefits is as follows:

	2024		2023
	(In thousands)
Balance at beginning of year	$	7,143	$	6,180
Additions for tax positions of prior years	9,354		605
Additions based on tax positions related to the current year	524		358
Reduction for tax positions of prior years	(1,340)		—
Balance at end of year	$	15,681	$	7,143