Operating Loss Carryforwards Annual Limitation on Deductions Due to Section 382

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are not subject to expiration dates.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are subject to expiration dates.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible impairment loss.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized.

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The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.

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Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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Income Taxes (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Operating Loss Carryforwards [Line Items]
Effective tax rate	35.00%	(1.40%)	38.00%
Non-deductible goodwill impairment loss		$ 114,920
Net deferred tax asset	30,912us-gaap_DeferredTaxAssetsLiabilitiesNet	35,877us-gaap_DeferredTaxAssetsLiabilitiesNet
Operating loss carryforwards, annual limitation on deductions due to section 382	6,178
Operating loss carryforwards valuation allowance	3,518
Undistributed Earnings of Foreign Subsidiaries	7,577
Unrecognized tax benefits	4,083us-gaap_UnrecognizedTaxBenefits	4,384us-gaap_UnrecognizedTaxBenefits	5,340us-gaap_UnrecognizedTaxBenefits	5,204us-gaap_UnrecognizedTaxBenefits
Unrecognized tax benefits, amount expected to reverse in next twelve months	234
Interest and penalties	1,065	1,114	1,001
Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards, subject to expiration	41,769
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards, subject to expiration	107,498
Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	23,863
Foreign Tax Authority [Member] \| Austria [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards, not subject to expiration	164
Foreign Tax Authority [Member] \| Belgium [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards, not subject to expiration	580
Foreign Tax Authority [Member] \| Brazil [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards, not subject to expiration	$ 9,498