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INCOME TAXES - Schedule of Income Tax Rate Reconciliation Amount (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
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Mar. 31, 2015
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Mar. 31, 2014
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Mar. 31, 2013
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| Income Tax Disclosure [Abstract] | |||
| Expense (benefit) at federal statutory rate | $ 6,117us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate | $ (7,090)us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate | $ (17,856)us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate |
| State taxes | 125us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes | 76us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes | 300us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes |
| Unbenefited (benefited) losses and credits | (4,727)us-gaap_IncomeTaxReconciliationTaxCredits | 7,974us-gaap_IncomeTaxReconciliationTaxCredits | 18,715us-gaap_IncomeTaxReconciliationTaxCredits |
| Contingent tax reserves | 103us-gaap_IncomeTaxReconciliationTaxContingencies | 460us-gaap_IncomeTaxReconciliationTaxContingencies | (130)us-gaap_IncomeTaxReconciliationTaxContingencies |
| Foreign rate differential | (778)qtm_EffectiveIncomeTaxRateReconciliationForeignRateDifferentialAmount | (218)qtm_EffectiveIncomeTaxRateReconciliationForeignRateDifferentialAmount | 120qtm_EffectiveIncomeTaxRateReconciliationForeignRateDifferentialAmount |
| Other | (122)us-gaap_IncomeTaxReconciliationOtherAdjustments | 15us-gaap_IncomeTaxReconciliationOtherAdjustments | 12us-gaap_IncomeTaxReconciliationOtherAdjustments |
| Income tax provision | $ 718us-gaap_IncomeTaxExpenseBenefit | $ 1,217us-gaap_IncomeTaxExpenseBenefit | $ 1,161us-gaap_IncomeTaxExpenseBenefit |
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- Definition
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 foreign rate differential. No definition available.
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- Details
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- Definition
Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
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 other adjustments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
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 state and local income tax expense (benefit). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
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 increase (decrease) in income tax contingencies. Including, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
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 tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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