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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 5) (USD $)	1 Months Ended	12 Months Ended
	Sep. 30, 2011	Feb. 29, 2012	Feb. 28, 2011	Feb. 29, 2008 D	Sep. 15, 2011
Auction rate securities
Cumulative pre-tax unrealized losses on investment, tax effect			$ (460,000)
Auction rate securities
Auction rate securities
AAA rated and similar investments maximum holding period (in days)				35
Investment classified as non-current assets held for sale			20,711,000
Cumulative pre-tax unrealized losses on investment			1,340,000
Cumulative pre-tax unrealized losses on investment, tax effect			(460,000)
Par value of investments					18,800,000
Sale price of securities as a percentage of par value	96.00%
Total selling price, per agreement	18,050,000
Value of securities liquidated at par		$ 3,250,000	$ 350,000

X

- Definition

Accumulated appreciation or loss, before tax, in value of the total of available-for-sale securities at the end of an accounting period.

+ References

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- Definition

Tax effect of the accumulated appreciation or loss in value of the total of available-for-sale securities at the end of an accounting period.

+ References

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- Definition

Represents the maximum holding period of AAA rated and similar investments.

+ References

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- Definition

Represents the price at which the entity has agreed to sell the securities held.

+ References

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- Definition

Represents the price at which the securities were sold by the entity expressed as a percentage of principal or par value of such securities.

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- Definition

Total of debt securities categorized neither as held-to-maturity nor trading which are intended be sold or mature more than one year from the balance sheet date or operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 45

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-Paragraph 12

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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- Definition

The aggregate value of securities held, which were categorized neither as trading nor held-to-maturity, for which the interest rate reset through an auction process, that failed to be liquidated through auction, and which were sold at par value during the period.

+ References

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For investments which are quantified by principal amount, the principle balance held at close of period.

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