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Income Taxes - Reconciliation of Beginning and Ending Balance of Total Amounts of Gross Unrecognized Tax Benefits (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |
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Jan. 31, 2015
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Jan. 31, 2014
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| Income Tax Disclosure [Abstract] | ||
| Balance of gross unrecognized tax benefits, beginning of period | $ 6,035us-gaap_UnrecognizedTaxBenefits | $ 9,364us-gaap_UnrecognizedTaxBenefits |
| Gross amounts of increases in unrecognized tax benefits as a result of tax positions taken in the current period | 96us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions | 445us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions |
| Decrease due to expiration of statute of limitation | (275)us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations | (439)us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations |
| Gross decrease in prior period positions | (3,379)us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions | |
| Effect of currency translation | (329)us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromForeignCurrencyTranslation | 44us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromForeignCurrencyTranslation |
| Balance of gross unrecognized tax benefits, end of period | $ 5,527us-gaap_UnrecognizedTaxBenefits | $ 6,035us-gaap_UnrecognizedTaxBenefits |
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- Details
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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 foreign currency translation. No definition available.
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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 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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- Definition
Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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