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Basis of Presentation and Conventions Used in this Report (Details) - $ / shares	May. 31, 2015	Feb. 28, 2015
Basis of Presentation and Conventions Used in this Report
Common shares, par value (in dollars per share)	$ 0.10	$ 0.10

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- Definition

Face amount or stated value per share of common stock.

+ References

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 210.5-02.29)



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



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher SEC



-Name Regulation S-X (SX)



-Number 210



-Section 02



-Paragraph 30



-Article 5

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- References

No definition available.

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