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Fair Value Measurements - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2013 | Mar. 31, 2013 | Sep. 30, 2012
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |
Contingent liability | $ 841 | $ 841 |
Contingent Liability |  |  |
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |
Contingent liability | 841 | 841 | 758
Loss on fair value of contingent liability | $ 0 |  |

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- Definition Noncurrent portion of the fair value as of the acquisition date of potential payments under the contingent consideration arrangement, including cash and shares as applicable. + References No definition available. + Details
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- Definition The aggregate amount of other expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating expense recognized during the period. Such amounts may include: (a) unusual costs, (b) loss on foreign exchange transactions, (c) losses on securities (net of profits), and (d) miscellaneous other expense items. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 9 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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