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Fair Value Measurements - Reconciliation of Liabilities Measured at Fair Value on Recurring Basis (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | 9 Months Ended | |||
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Oct. 31, 2013
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Oct. 31, 2012
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Oct. 31, 2013
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Oct. 31, 2012
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Jan. 31, 2013
Fair Value, Inputs, Level 3 [Member]
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Oct. 31, 2013
Accrued Contingent Consideration [Member]
Fair Value, Inputs, Level 3 [Member]
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| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||||||
| Ending balance January 31, 2013 | $ 5,656 | $ 5,656 | $ 5,656 | |||
| Change in fair value of contingent consideration | (94) | 64 | (60) | 1,667 | (60) | |
| Contingency payment/Issuance of stock | (5,619) | |||||
| Translation adjustment | 23 | |||||
| Ending balance October 31, 2013 | $ 5,656 | |||||
| X | ||||||||||
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- Definition
The amount of business acquisition translation adjustment. No definition available.
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| X | ||||||||||
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- Definition
Fair value measurement with unobservable inputs reconciliation recurring basis liability settlements and issuances. No definition available.
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- Definition
Amount of (increase) decrease in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of liability recognized arising from contingent consideration in a business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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