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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) (USD $) In Thousands, unless otherwise specified | Feb. 29, 2012 | Feb. 28, 2011 | Feb. 28, 2010 | Feb. 28, 2009
--- | --- | --- | --- | ---
Receivables |  |  |  |
Number of receivables valuation reserves | 2 |  |  |
Gross trade receivable | Customer concentration risk |  |  |  |
Receivables |  |  |  |
Number of major customers with whom the entity has significant concentrations of credit risk | 2 |  |  |
Gross trade receivable | Customer concentration risk | Largest customer |  |  |  |
Receivables |  |  |  |
Percentage of concentration risk | 12.80% |  |  |
Gross trade receivable | Customer concentration risk | Second largest customer |  |  |  |
Receivables |  |  |  |
Percentage of concentration risk | 11.70% |  |  |
Gross trade receivable | Customer concentration risk | Five top customers |  |  |  |
Receivables |  |  |  |
Percentage of concentration risk | 37.00% | 39.00% |  |
Number of customers in a group with significant receivable balances | 5 |  |  |
Allowances for doubtful accounts |  |  |  |
Receivables |  |  |  |
Valuation reserve | $ 1,811 | $ 2,108 | $ 1,390 | $ 1,916
Allowances for back-to-stock returns |  |  |  |
Receivables |  |  |  |
Valuation reserve | $ 3,730 | $ 2,040 | $ 1,956 | $ 1,840

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- Definition Represents the number of customers as a group with significant receivable balances. + References No definition available. + Details
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6947722&loc=d3e13537-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6947722&loc=d3e13531-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592 + Details
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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690 + Details
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