DEFERRED COMPENSATION PLAN (Details) - USD ($)	Aug. 31, 2015	Feb. 28, 2015
DEFERRED COMPENSATION PLAN [Abstract]
Fair value of Rabbi Trust assets	$ 3,283,000
Deferred compensation plan liabilities	$ 3,300,000	$ 2,246,000

Carrying amount as of the balance sheet date of assets held under deferred compensation agreements.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.17)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_DeferredCompensationPlanAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant