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Summary of Significant Accounting Policies (Details) (USD $)	12 Months Ended
	Feb. 28, 2013 operating_segment	Feb. 29, 2012	Feb. 28, 2011
Accounting Policies [Abstract]
Number of operating segments	2
Allowance for doubtful accounts, net	$ 344,000	$ 183,000	$ 327,000
Fair value of notes	$ 223,800,000

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents notes payable as of the balance sheet date.

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