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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Income Tax Disclosure [Abstract]

Schedule of Income before Income Tax, Domestic and Foreign

The components of loss before income taxes for the years ended December 31, 2018, 2017 and 2016 are as follows (in thousands):

	2018				2017				2016
U.S.	$	(285,141	)		$	(3,015	)		$	(155,058	)
Non-U.S.	(104,613		)		(52,264		)		17,059
Loss before income taxes	$	(389,754	)		$	(55,279	)		$	(137,999	)

Schedule of Components of Income Tax Expense (Benefit)

The components of income tax expense (benefit) for the years ended December 31, 2018, 2017 and 2016 are as follows (in thousands):

	2018				2017				2016
Current
U.S. Federal and state	$	(6,932	)		$	(1,426	)		$	(38,589	)
Non-U.S.	4,810				5,398				6,956
Total current	(2,122		)		3,972				(31,633		)
Deferred
U.S. Federal and state	(21,467		)		6,415				(18,290		)
Non-U.S.	7,915				(6,266		)		(6,128		)
Total deferred	(13,552		)		149				(24,418		)
Provision (benefit) for income taxes	$	(15,674	)		$	4,121			$	(56,051	)

Schedule of Effective Income Tax Rate Reconciliation

The reconciliation between the actual provision for income taxes from continuing operations and that computed by applying the U.S. statutory rate to income before income taxes and noncontrolling interests are outlined below (in thousands):

	2018						2017						2016
Income tax expense at the statutory rate	$	(81,849	)	(21.0	)%		$	(19,348	)	(35.0	)%		$	(48,300	)	(35.0	)%
State taxes, net of federal tax benefit	(2,564		)	(0.7	)%		(294		)	(0.5	)%		(1,425		)	(1.0	)%
Non-U.S. operations	(10,166		)	(2.6	)%		6,337			11.5	%		(5,791		)	(4.2	)%
Domestic incentives	(286		)	(0.1	)%		(254		)	(0.5	)%		(170		)	(0.1	)%
Prior year federal, non-U.S. and state tax	(2,880		)	(0.7	)%		(1,283		)	(2.3	)%		(777		)	(0.6	)%
Nondeductible expenses	502			0.1	%		644			1.2	%		345			0.3	%
Goodwill impairment	46,051			11.8	%		14,731			26.6	%		—			—	%
Global Tubing acquisition	—			—	%		(9,160		)	(16.6	)%		—			—	%
U.S. tax reform	(15,604		)	(4.0	)%		10,138			18.3	%		—			—	%
Valuation allowance	50,005			12.8	%		4,523			8.2	%		—			—	%
Other	1,117			0.4	%		(1,913		)	(3.4	)%		67			—	%
Income tax expense (benefit)	$	(15,674	)	(4.0	)%		$	4,121		7.5	%		$	(56,051	)	(40.6	)%

Schedule of Deferred Tax Assets and Liabilities

The primary components of deferred taxes include (in thousands):

	2018				2017
Deferred tax assets
Reserves and accruals	$	7,259			$	5,932
Inventory	18,694				20,836
Stock awards	5,637				6,235
Net operating loss and other tax carryforwards	66,098				31,164
Other	549				1,419
Gross deferred tax assets	98,237				65,586
Valuation allowance	(54,441		)		(4,523		)
Total deferred tax assets	43,796				61,063
Deferred tax liabilities
Property and equipment	(9,565		)		(12,172		)
Goodwill and intangible assets	(42,502		)		(76,454		)
Investment in unconsolidated subsidiary	(5,402		)		—
Prepaid expenses and other	(392		)		(325		)
Total deferred tax liabilities	(57,861		)		(88,951		)
Net deferred tax liabilities	$	(14,065	)		$	(27,888	)

Schedule of Unrecognized Tax Benefits Roll Forward

A reconciliation of the beginning and ending amount of uncertain tax positions is as follows (in thousands):

Balance at January 1, 2018		$	14,768
Additional based on tax positions related to current year		1,485
Lapse of statute of limitations		(2,999		)
Balance at December 31, 2018		13,254

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Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

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Tabular disclosure of the change in unrecognized tax benefits.

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