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Income Taxes - Unrecognized Tax Benefits (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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| Proceeds from Income Tax Refunds | $ (3,577)us-gaap_ProceedsFromIncomeTaxRefunds | $ (2,004)us-gaap_ProceedsFromIncomeTaxRefunds | $ (207)us-gaap_ProceedsFromIncomeTaxRefunds |
| Tax benefit from amounts determined not to be payable to predecessor owners | 0thr_TaxBenefitfromAmountsDeterminednottobePayabletoPredecessorOwners | 575thr_TaxBenefitfromAmountsDeterminednottobePayabletoPredecessorOwners | 0thr_TaxBenefitfromAmountsDeterminednottobePayabletoPredecessorOwners |
| Reserve for uncertain income taxes, beginning of period | 854us-gaap_UnrecognizedTaxBenefits | 1,651us-gaap_UnrecognizedTaxBenefits | |
| Additions based on tax positions related to the current year | 0us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions | 167us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions | |
| Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions | 0us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions | (944)us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions | |
| Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities | (167)us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities | (80)us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities | |
| Interest and penalties on prior reserves | 61thr_UnrecognizedTaxBenefitsInterestAndPenaltiesFromPriorPeriod | 60thr_UnrecognizedTaxBenefitsInterestAndPenaltiesFromPriorPeriod | |
| Reserve for uncertain income taxes, end of period | 748us-gaap_UnrecognizedTaxBenefits | 854us-gaap_UnrecognizedTaxBenefits | 1,651us-gaap_UnrecognizedTaxBenefits |
| UNITED STATES | |||
| Proceeds from Income Tax Refunds |
$ (3,220)us-gaap_ProceedsFromIncomeTaxRefunds / thr_CountryAxis = country_US |
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- Definition
Tax Benefit from Amounts Determined not to be Payable to Predecessor Owners No definition available.
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- Definition
Unrecognized Tax Benefits, Interest and Penalties From Prior Period No definition available.
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- Definition
The amount of cash received during the period as refunds for the overpayment of taxes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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