Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Income Tax Disclosure [Abstract]

Components of Income Tax Expense

	Years ended December 31,
	2018			2017			2016
				(In thousands)
Income (loss) before taxes:
United States operations	$	126,385		$	2,177		$	(25,615	)
Foreign operations	93,945			97,171			152,076
Income before taxes	$	220,330		$	99,348		$	126,461
Income tax expense (benefit):
Currently payable
United States federal	$	27,529		$	—		$	2,981
United States state and local	3,274			2,392			(1,038		)
Foreign	17,516			28,201			26,906
	48,319			30,593			28,849
Deferred
United States federal	10,942			(11,028		)	(27,677		)
United States state and local	703			(8,758		)	(3,139		)
Foreign	(345		)	(4,312		)	782
	11,300			(24,098		)	(30,034		)
Income tax expense (benefit)	$	59,619		$	6,495		$	(1,185	)

Effective Income Tax Rate Reconciliation from Continuing Operations

	Years Ended December 31,
	2018		2017		2016
Effective income tax rate reconciliation from continuing operations:
United States federal statutory rate	21.0	%	35.0	%	35.0	%
State and local income taxes	1.7	%	0.8	%	(0.9	)%
Impact of change in tax contingencies	(1.0	)%	2.2	%	2.4	%
Foreign income tax rate differences	(1.8	)%	(13.1	)%	(14.0	)%
Impact of change in deferred tax asset valuation allowance	2.0	%	1.5	%	(7.3	)%
Impact of change in legal entity tax status	—	%	—	%	(5.5	)%
Impact of non-taxable translation gain	—	%	(27.3	)%	—	%
Impact of non-taxable interest income	—	%	(5.5	)%	(4.9	)%
Domestic permanent differences and tax credits	0.7	%	(15.7	)%	(5.7	)%
Impact of tax reform	4.5	%	28.6	%	—	%
	27.1	%	6.5	%	(0.9	)%

Components of Deferred Income Tax Balances

	December 31,
	2018			2017
	(In thousands)
Components of deferred income tax balances:
Deferred income tax liabilities:
Plant, equipment, and intangibles	$	(114,413	)	$	(120,171	)
Deferred income tax assets:
Postretirement, pensions, and stock compensation	30,896			28,736
Reserves and accruals	25,641			29,297
Net operating loss and tax credit carryforwards	164,823			228,815
Valuation allowances	(90,872		)	(151,841		)
	130,488			135,007
Net deferred income tax asset	$	16,075		$	14,836

Summary of Net Operating Loss Carryforwards

The following tables summarize our net operating loss carryforwards and tax credit carryforwards as of December 31, 2018 by jurisdiction:

	Net Operating Loss  Carryforwards
	(In thousands)
Australia	$	12,064
France	15,538
Germany	13,436
Japan	20,203
Luxembourg	24,252
Netherlands	23,889
Other	45,171
United Kingdom	258,423
United States - Federal and various states	124,349
Total	$	537,325

Summary of Tax Credit Carryforwards

	Tax Credit Carryforwards
	(In thousands)
United States	$	48,859
Canada	22,181
Total	$	71,040

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:

	2018			2017
	(In thousands)
Balance at beginning of year	$	8,579		$	10,474
Additions based on tax positions related to the current year	866			981
Additions for tax positions of prior years	1,292			2,549
Reductions for tax positions of prior years - Settlement	(1,689		)	(5,425		)
Reduction for tax positions of prior years - Statute of limitations	(1,631		)	—
Balance at end of year	$	7,417		$	8,579