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Basis of Presentation and Conventions Used in this Report (Details) - $ / shares	Nov. 30, 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

X

- 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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X

- References

No definition available.

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