Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) $ in Millions	3 Months Ended
May 31, 2018 USD ($)
Selling, general and administrative expenses [Member]
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Correction of previously unrecognized deferred compensation costs	$ 16.3

Amount of each individual error being corrected in the correcting adjustment.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 1.N)
-URI http://asc.fasb.org/extlink&oid=26874127&loc=d3e30840-122693

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Period Type:	duration