Income Taxes (Tables)

12 Months Ended

Dec. 31, 2022

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense

	Years Ended December 31,
	2022		2021		2020
	(in thousands)
Income (loss) before taxes:
United States operations	$	97,900	$	188,650	$	(102,300)
Foreign operations	219,493		38,130		193,116
Income before taxes	$	317,393	$	226,780	$	90,816
Income tax expense (benefit):
Currently payable
United States federal	$	34,310	$	1,649	$	3,488
United States state and local	4,801		2,453		906
Foreign	6,677		15,984		13,346
	45,788		20,086		17,740
Deferred
United States federal	(446)		16,354		372
United States state and local	(50)		5,988		(1,923)
Foreign	4,353		(14,489)		3,909
	3,857		7,853		2,358
Income tax expense	$	49,645	$	27,939	$	20,098

Schedule of Effective Income Tax Rate Reconciliation from Continuing Operations

	Years Ended December 31,
	2022	2021	2020
Effective income tax rate reconciliation from continuing operations:
United States federal statutory rate	21.0%	21.0%	21.0%
State and local income taxes	1.2%	3.4%	(0.7)%
Impact of change in tax contingencies	0.1%	(0.7)%	1.5%
Foreign income tax rate differences	(10.9)%	0.7%	(27.9)%
Impact of change in deferred tax asset valuation allowance	(2.5)%	(19.1)%	3.0%
Domestic permanent differences and tax credits	6.3%	6.0%	25.5%
Impact of share-based compensation	0.4%	1.0%	1.0%
Impact of CARES act	—%	—%	(1.3)%
	15.6%	12.3%	22.1%

Schedule of Components of Deferred Income Tax Balances

The components of deferred income taxes were as follows:

	December 31,
	2022		2021
	(In thousands)
Components of deferred income tax balances:
Deferred income tax liabilities:
Plant, equipment, and intangibles	$	(94,189)	$	(89,632)
Right of use asset	(19,853)		(18,254)
	(114,042)		(107,886)
Deferred income tax assets:
Postretirement, pensions, and stock compensation	17,368		32,201
Reserves and accruals	25,519		20,362
Net operating loss, capital loss, and tax credit carryforwards	149,607		84,285
Lease liability	19,938		18,255
Valuation allowances	(142,330)		(66,594)
	70,102		88,509
Net deferred income tax liability	$	(43,940)	$	(19,377)

Summary of Net Operating Loss Carryforwards

The following tables summarize our net operating loss carryforwards and tax credit carryforwards as of December 31, 2022 by jurisdiction:

	Net Operating Loss Carryforwards
	(In thousands)
Australia	$	8,551
Germany	19,824
Netherlands	1,071
Other	10,502
United Kingdom	11,428
United States - Federal and various states	49,955
Total	$	101,331

Summary of Tax Credit Carryforwards

	Tax Credit Carryforwards
	(In thousands)
Belgium	$	1,227
United States	5,072
Total	$	6,299

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

A reconciliation of the beginning and ending amounts of unrecognized tax benefits is as follows:

	2022		2021
	(In thousands)
Balance at beginning of year	$	5,821	$	8,573
Additions based on tax positions related to the current year	359		422
Additions for tax positions of prior years	—		168
Reductions for tax positions of prior years - Settlement	—		(3,264)
Reduction for tax positions of prior years - Statute of limitations	—		(78)
Balance at end of year	$	6,180	$	5,821