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INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2013

INCOME TAXES

Schedule of United States and foreign income (loss) before income taxes and non-controlling interest

		Years Ended December 31,
		2013			2012			2011
		(in thousands)
United States		$	(156,696	)	$	11,826		$	18,671
Foreign			136,317			(45,013	)		(3,976	)
​	​	​	​	​	​	​	​	​	​	​
		$	(20,379	)	$	(33,187	)	$	14,695
​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​

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

		Years Ended December 31,
		2013			2012			2011
		(in thousands)
Current
Federal		$	1		$	—		$	17
State			—			(40	)		217
Foreign		$	2,730		$	4,643			2,339
​	​	​	​	​	​	​	​	​	​	​
Total Current		$	2,731		$	4,603		$	2,573
Deferred
Federal			—			—			—
State			—			—			—
Foreign			(380	)		(2,211	)		345
​	​	​	​	​	​	​	​	​	​	​
Total Deferred			(380	)		(2,211	)		345
​	​	​	​	​	​	​	​	​	​	​
Total		$	2,351		$	2,392		$	2,918
​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​

Summary of unrecognized tax benefits

		Years Ended December 31,
		2013			2012			2011
		(in thousands)
Beginning balance-gross unrecognized tax benefits (UTB's)		$	54,012		$	55,650		$	56,513
Additions based on tax positions related to the current year			151			80			121
Reductions based on tax positions related to the current year			—			—			—
Additions for tax positions related to prior years			—			—			176
Reductions for tax positions related to prior years			(1,627	)		(1,288	)		(1,160	)
Settlements			—			—			—
Lapse of statute of limitations			(7,106	)		(430	)		—
​	​	​	​	​	​	​	​	​	​	​
Ending balance—gross unrecognized tax benefits (UTB's)			45,430			54,012			55,650
UTB's as a credit in deferred taxes			(33,187	)		(39,402	)		(39,758	)
Federal benefit of state taxes			(2,244	)		(2,312	)		(2,338	)
​	​	​	​	​	​	​	​	​	​	​
UTB's that would impact the effective tax rate		$	10,019		$	12,298		$	13,554
​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​

Summary of the components of net deferred tax assets

		December 31, 2013			December 31, 2012
		(in thousands)
Deferred Tax Assets
Allowances and reserves		$	11,125		$	16,743
Deferred revenue and customer advances, net			—			3,349
Net operating loss carryforward			254,153			218,158
Tax credit carryforwards			95,692			103,910
Capital loss carryforwards			18,671			18,785
Writedown/amortization of intangible assets and goodwill			15,651			19,642
Fixed assets			7,263			7,500
Demo equipment income			7,104			7,308
Accrued warranties			—			66
Other			18,459			26,404
​	​	​	​	​	​	​	​
Total Deferred Tax Assets		$	428,118		$	421,865
Deferred Tax Liabilities
Prepaid expense			(472	)		(155	)
Deferred revenue and customer advances, net			(1,183	)		—
Accrued warranties			(165	)		—
Other			—			—
​	​	​	​	​	​	​	​
Total Deferred Tax Liabilities			(1,820	)		(155	)
​	​	​	​	​	​	​	​
Total Deferred Tax Assets (Liabilities)		$	426,298		$	421,710
​	​	​	​	​	​	​	​
Less: Valuation Allowance		$	(422,789	)	$	(418,285	)
​	​	​	​	​	​	​	​
Total Deferred Tax Assets (Liabilities)		$	3,509		$	3,425
​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​

Schedule of reconciliation of effective income tax rate and the federal statutory rate

		Years Ended December 31,
		2013			2012			2011
		(in thousands)
Federal tax (benefit) at statutory rate		$	(7,133	)	$	(11,183	)	$	5,143
State tax (benefit)/expense, net of federal income tax benefit			(360	)		187			645
Tax benefit of convertible debentures			—			—			—
Stock compensation expense			574			996			900
Effect of differences in foreign tax rates			(30,994	)		422			1,334
Tax on unremitted earnings of subsidiaries			—			—			—
Effect of tax rate changes on deferred taxes			2,407			7			(275	)
Change in deferred tax valuation allowance			38,234			11,511			(3,877	)
Tax credits			(552	)		(358	)		(430	)
Other			175			810			(522	)
​	​	​	​	​	​	​	​	​	​	​
Total Tax Expense		$	2,351		$	2,392		$	2,918
​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​

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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 income before income tax between domestic and foreign jurisdictions.

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Tabular disclosure of the change in unrecognized tax benefits.

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