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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2017

Income Taxes

Schedule of income (loss) from continuing operations before income taxes

		Year ended December 31,
		2017			2016			2015
		(in thousands)
Domestic		$	(96,809	)	$	(123,021	)	$	(53,553	)
Foreign		15,909			3,577			30,907
Total		$	(80,900	)	$	(119,444	)	$	(22,646	)

Schedule of components of the expense (benefit) for income taxes

		Year ended December 31,
		2017			2016			2015
		(in thousands)
Current:
Federal		$	—		$	—		$	139
Foreign		(2,246		)	1,937			6,952
State and local		15			(111		)	(407		)
Total current expense (benefit) for income taxes		(2,231		)	1,826			6,684
Deferred:
Federal		(34,786		)	1,459			2,104
Foreign		1,652			(646		)	516
State and local		(742		)	127			28
Total deferred expense (benefit) for income taxes		(33,876		)	940			2,648
Total expense (benefit) for income taxes		$	(36,107	)	$	2,766		$	9,332

Schedule of reconciliation of the income tax expense computed using the Federal statutory rate to actual income tax provision

		Year ended December 31,
		2017			2016			2015
		(in thousands)
Income tax expense (benefit) at U.S. statutory rates		$	(28,315	)	$	(41,806	)	$	(7,926	)
State taxes, net of U.S. federal impact		(2,523		)	(1,963		)	(1,607		)
Effect of international operations		9,355			8,849			(7,659		)
Research and development tax credit		620			(801		)	(1,628		)
Net change in valuation allowance		1,342			50,520			23,655
Change in accrual for unrecognized tax benefits		(4,772		)	(1,700		)	4,876
Subsidiary liquidation		—			(12,435		)	—
Share-based compensation		99			2,133			—
Effect of 2017 Tax Act		(11,344		)	—			—
Worthless stock deduction		—			—			(2,069		)
Change in entity tax status		—			—			904
Other		(569		)	(31		)	786
Total expense (benefit) for income taxes		$	(36,107	)	$	2,766		$	9,332

Schedule of deferred tax assets and liabilities

		December 31,
		2017			2016
		(in thousands)
Deferred tax assets:
Inventory valuation		$	8,007		$	6,681
Net operating losses		73,458			54,527
Credit carry forwards		34,966			24,598
Warranty and installation accruals		1,690			1,757
Share-based compensation		7,385			12,624
Other		1,966			6,778
Total deferred tax assets		127,472			106,965
Valuation allowance		(100,684		)	(106,793		)
Net deferred tax assets		26,788			172
Deferred tax liabilities:
Purchased intangible assets		45,807			11,071
Undistributed earnings		—			186
Convertible Senior Notes		13,534			—
Depreciation		1,339			69
Total deferred tax liabilities		60,680			11,326
Net deferred taxes		$	(33,892	)	$	(11,154	)

Schedule of reconciliation of beginning and ending amount of uncertain tax positions

		December 31,
		2017			2016			2015
		(in thousands)
Balance at beginning of year		$	7,452		$	9,152		$	4,276
Additions for tax positions related to current year		511			1,038			5,596
Additions for tax positions related to prior years		3			233			143
Reductions for tax positions related to prior years		(4,877		)	(2,826		)	—
Reductions due to the lapse of the statute of limitations		(122		)	(39		)	(642		)
Settlements		(287		)	(106		)	(221		)
Additions for business combination		5,589			—			—
Balance at end of year		$	8,269		$	7,452		$	9,152

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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.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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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 income before income tax between domestic and foreign jurisdictions.

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Tabular disclosure for tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities and other income tax contingencies. Includes, but is not limited to, interest and penalties, reconciliation of unrecognized tax benefits, unrecognized tax benefits that would affect the effective tax rate, tax years that remain subject to examination by tax jurisdictions, and information about positions for which it is reasonably possible that amounts unrecognized will significantly change within 12 months.

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