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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2017

Income Tax Disclosure [Abstract]

Components of Income Tax Expense

	Years ended December 31,
	2017				2016				2015
					(In thousands)
Income (loss) from continuing operations before taxes:
United States operations	$	2,177			$	(25,615	)		$	(6,924	)
Foreign operations	97,171				152,076				46,864
Income from continuing operations before taxes	$	99,348			$	126,461			$	39,940
Income tax expense (benefit):
Currently payable
United States federal	$	—			$	2,981			$	—
United States state and local	2,392				(1,038		)		1,789
Foreign	28,201				26,906				17,317
	30,593				28,849				19,106
Deferred
United States federal	(11,028		)		(27,677		)		(23,709		)
United States state and local	(8,758		)		(3,139		)		(2,257		)
Foreign	(4,312		)		782				(19,708		)
	(24,098		)		(30,034		)		(45,674		)
Income tax expense (benefit)	$	6,495			$	(1,185	)		$	(26,568	)

Effective Income Tax Rate Reconciliation from Continuing Operations

	Years Ended December 31,
	2017			2016			2015
Effective income tax rate reconciliation from continuing operations:
United States federal statutory rate	35.0	%		35.0	%		35.0	%
State and local income taxes	0.8	%		(0.9	)%		(2.6	)%
Impact of change in tax contingencies	2.2	%		2.4	%		(4.2	)%
Foreign income tax rate differences	(13.1	)%		(14.0	)%		(8.4	)%
Impact of change in deferred tax asset valuation allowance	1.5	%		(7.3	)%		(28.6	)%
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	)%		(15.6	)%
Domestic permanent differences and tax credits	(15.7	)%		(5.7	)%		(42.1	)%
Impact of tax reform	28.6	%		—	%		—	%
	6.5	%		(0.9	)%		(66.5	)%

Components of Deferred Income Tax Balances

	December 31,
	2017				2016
	(In thousands)
Components of deferred income tax balances:
Deferred income tax liabilities:
Plant, equipment, and intangibles	$	(120,171	)		$	(179,229	)
Deferred income tax assets:
Postretirement, pensions, and stock compensation	28,736				35,500
Reserves and accruals	29,297				22,795
Net operating loss and tax credit carryforwards	228,815				245,135
Valuation allowances	(151,841		)		(104,771		)
	135,007				198,659
Net deferred income tax asset	$	14,836			$	19,430

Summary of Net Operating Loss Carryforwards

	Net Operating Loss  Carryforwards
	(In thousands)
France	$	266,509
United States - various states	132,213
Luxembourg	25,034
Japan	22,245
Australia	16,433
Germany	14,127
Netherlands	13,063
Other	49,256
Total	$	538,880

Summary of Tax Credit Carryforwards

	Tax Credit Carryforwards
	(In thousands)
United States	$	74,613
Canada	22,459
Total	$	97,072

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:

	2017				2016
	(In thousands)
Balance at beginning of year	$	10,474			$	7,293
Additions based on tax positions related to the current year	981				507
Additions for tax positions of prior years	2,549				2,675
Reductions for tax positions of prior years - Settlement	(5,425		)		—
Reduction for tax positions of prior years - Statute of limitations	—				(1		)
Balance at end of year	$	8,579			$	10,474

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