STOCKHOLDERS' EQUITY (Tax Benefits from Exercise of Awards) (Details) (USD $)	12 Months Ended
Feb. 28, 2015	Feb. 28, 2014
STOCKHOLDERS' EQUITY [Abstract]
Proceeds from option exercises	$ 718,000	$ 3,928,000
Aggregate fair value of options exercised and vested restricted stock-based awards	9,900,000	17,532,000
Excess tax deductions from option exercises and vested restricted stock-based awards	$ 6,515,000	$ 12,781,000

The total fair value of equity-based awards for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

No definition available.

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- Definition

Amount of deferred tax expense from write-off of the deferred tax asset related to deductible stock options at exercise.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 20

-Section 55

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=32706628&loc=d3e11283-113907

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- Definition

Aggregate proceeds received by the entity during the annual period from exercises of stock or unit options and conversion of similar instruments granted under equity-based payment arrangements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (j)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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