Income Taxes (Tables)

12 Months Ended

Dec. 31, 2020

Income Tax Disclosure [Abstract]

Schedule of Income (Loss) Before Income Taxes and Adjustment for Noncontrolling Interests

Components of the Company’s income (loss) before income taxes and adjustment for noncontrolling interests were as follows:

	Year Ended December 31,
	2020		2019		2018
Domestic	$	(235,574)	$	53,425	$	103,228
Foreign	(94,647)		44,877		(33,573)
	$	(330,221)	$	98,302	$	69,655

Schedule of Income Tax Expense (Benefit)

The Company’s income tax (benefit) expense consists of the following:

	Year Ended December 31,
	2020		2019		2018
Current
Federal	$	(65,565)	$	(227)	$	(11,153)
State	(196)		(171)		(33)
Foreign	13,636		20,613		20,717
Deferred
Federal	(15,060)		4,405		(4,532)
State	1,297		(767)		2,074
Foreign	5,041		12,236		(36,473)
	$	(60,847)	$	36,089	$	(29,400)

Schedule of Effective Income Tax Rate Reconciliation

A reconciliation of the U.S. statutory federal rate to the income tax provision was as follows: 

	Year Ended December 31,
	2020			2019			2018
Tax at U.S. statutory rate	$	(69,346)		$	20,643		$	14,627
State and local taxes	(4,933)			209			1,273
Tax credits and incentives	(5,750)			(8,034)			(11,702)
Changes in tax law, other	352			2,909			(3,008)
U.S. tax reform/Global Intangible Low-Taxed Income ("GILTI")/foreign derived intangible income	(1,046)			1,102			(6,860)
Effect of foreign tax rates	(15,432)			(1,656)			(10,388)
Nonrecurring permanent items	(3,069)			(5,250)			—
Goodwill impairment	—			—			6,887
CARES Act	(27,844)			—			—
Foreign branch	(1,215)			(2,258)			(3,753)
Stock compensation (ASU 2016-09)	1,640			1,596			(2,097)
Non deductible expenses	9,335			2,820			2,451
Tax reserves/audit settlements	1,071			(206)			(3,760)
Valuation allowance	51,609			24,625			(7,844)
Other, net	3,781			(411)			(5,226)
Income tax provision	$	(60,847)		$	36,089		$	(29,400)
Effective income tax rate	18.4		%	36.7		%	(42.2)		%

Deferred Tax Assets and Liabilities

Significant components of the Company’s deferred tax assets and liabilities as of December 31, 2020 and 2019 were as follows:

	2020		2019
Deferred tax assets:
Pension, postretirement and other benefits	$	53,229	$	48,589
Capitalized expenditures	14,411		2,908
Net operating loss and tax credit carryforwards	215,980		167,719
Operating lease	26,160		20,817
All other items	53,290		53,614
Total deferred tax assets	363,070		293,647
Deferred tax liabilities:
Property, plant and equipment	(29,415)		(19,479)
Operating lease right-of-use	(26,160)		(20,817)
All other items	(15,597)		(12,680)
Total deferred tax liabilities	(71,172)		(52,976)
Valuation allowances	(234,425)		(194,794)
Net deferred tax assets	$	57,473	$	45,877

Reconciliation of Unrecognized Tax Benefits

A reconciliation of the beginning and ending amount of unrecognized tax benefits was as follows:

	2020		2019
Balance at beginning of period	$	10,123	$	9,631
Tax positions related to the current period
Gross additions	1,115		895
Gross reductions	—		—
Tax positions related to prior years
Gross additions	342		—
Gross reductions	—		(52)
Settlements	(232)		—
Lapses on statutes of limitations	(76)		(351)
Balance at end of period	$	11,272	$	10,123