Income Taxes (Tables)

12 Months Ended

Mar. 31, 2014

Income Tax Disclosure [Abstract]

Schedule of components of income (loss) before income taxes and equity loss from NEC TOKIN

The components of Income (loss) from continuing operations before income taxes and equity loss from NEC TOKIN consists of (amounts in thousands):

	Fiscal Years Ended March 31,
	2014			2013			2012
Domestic (U.S.)	$	(89,529	)	$	(88,939	)	$	(4,591	)
Foreign (Outside U.S.)	33,232			14,962			3,317
Total	$	(56,297	)	$	(73,977	)	$	(1,274	)

Schedule of the provision (benefit) for income tax expense

The provision (benefit) for Income tax expense is as follows (amounts in thousands):

	Fiscal Years Ended March 31,
	2014			2013			2012
Current:
Federal	$	—		$	—		$	(938	)
State and local	35			37			49
Foreign	7,816			3,561			6,519
Total current income tax expense from continuing operations	7,851			3,598			5,630
Deferred:
Federal	(1,694		)	(65		)	11
State and local	406			700			(394		)
Foreign	(5,081		)	(952		)	(4,171		)
Deferred tax benefit from continuing operations	(6,369		)	(317		)	(4,554		)
Income tax expense	$	1,482		$	3,281		$	1,076

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

A reconciliation of the statutory federal income tax rate to the effective income tax rate is as follows:

	Fiscal Years Ended March 31,
	2014		2013		2012
Statutory U.S. federal income tax rate	35.0	%	35.0	%	35.0	%
Change in U.S. valuation allowance	(37.3	)%	(36.6	)%	(33.7	)%
Taxable foreign source income	(6.0	)%	(4.9	)%	(30.8	)%
State income taxes, net of federal taxes	(0.8	)%	(1.0	)%	(32.2	)%
Other non-deductible expenses	(0.3	)%	(0.5	)%	(23.1	)%
Income tax settlements	—	%	—	%	93.5	%
Change in foreign operations valuation allowance	3.2	%	6.2	%	744.0	%
Other effect of foreign operations	3.6	%	(2.6	)%	(837.2	)%
Effective income tax rate	(2.6	)%	(4.4	)%	(84.5	)%

Schedule of the components of deferred tax assets and liabilities

The components of deferred tax assets and liabilities are as follows (amounts in thousands):

	March 31,
	2014			2013
Deferred tax assets:
Net operating loss carry forwards	$	173,377		$	154,841
Sales allowances and inventory reserves	19,447			14,683
Tax credits	10,838			11,664
Medical and employee benefits	10,035			7,868
Stock options	4,439			3,416
Other	4,338			4,615
Total deferred tax assets before valuation allowance	222,474			197,087
Less valuation allowance	(189,276		)	(169,270		)
Total deferred tax assets	33,198			27,817
Deferred tax liabilities:
Depreciation and differences in basis	(13,299		)	(14,629		)
Amortization of intangibles and debt discounts	(7,420		)	(6,978		)
Non-amortized intangibles	(2,549		)	(2,542		)
Other	(1,682		)	(72		)
Total deferred tax liabilities	(24,950		)	(24,221		)
Net deferred tax asset	$	8,248		$	3,596

Schedule of annual activities included in the deferred tax valuation allowance

The following table presents the annual activities included in the deferred tax valuation allowance:

	Valuation Allowance for Deferred Tax Assets
Balance at March 31, 2011	$	143,216
Charge to costs and expenses	10,206
Deductions	(4,116		)
Balance at March 31, 2012	149,306
Charge to costs and expenses	23,977
Deductions	(4,013		)
Balance at March 31, 2013	169,270
Charge to costs and expenses	21,515
Deductions	(1,509		)
Balance at March 31, 2014	$	189,276

Schedule of change in net deferred income tax asset (liability)

The change in net deferred income tax asset (liability) for the current year is presented below (amounts in thousands):

Balance at March 31, 2013	$	3,596
Deferred income taxes related to continuing operations (1)	6,369
Deferred income taxes related to other comprehensive income	(1,758		)
Foreign currency translation	41
Balance at March 31, 2014	$	8,248

(1)     Fiscal year ended March 31, 2014 includes a federal tax expense of $1.7 million allocated to other comprehensive income.

Schedule of tax credit carryforwards available

At March 31, 2014, the U.S. consolidated group of companies had the following tax credit carryforwards available (amounts in thousands):

	Tax Credits ($)	Fiscal Year of Expiration
U.S. foreign tax credits	6,908	2017
U.S. research credits	533	2023
Texas franchise tax credits	3,396	2026

Schedule of reconciliation of gross unrecognized tax benefits (excluding interest and penalties)

A reconciliation of gross unrecognized tax benefits (excluding interest and penalties) is as follows (amounts in thousands):

	Fiscal Years Ended March 31,
	2014			2013			2012
Beginning of fiscal year	$	5,395		$	6,321		$	5,156
Additions for tax positions of the current year	639			35			433
Additions for tax positions of prior years	19			37			820
Reductions for tax positions of prior years	(28		)	(640		)	(39		)
Lapse in statute of limitations	—			(358		)	—
Settlements	(334		)	—			(49		)
End of fiscal year	$	5,691		$	5,395		$	6,321