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Net Income Per Common Share (Tables)

3 Months Ended

Apr. 30, 2012

Net Income Per Common Share [Abstract]

Reconciliation Of Weighted Average Shares Outstanding Used For Computation Of Basic And Diluted Net Income Per Common Share

		Three Months Ended April 30,
		2012				2011
Basic weighted average shares outstanding			144,709,199				162,407,330
Effect of dilutive stock options, non-vested shares and stock appreciation rights			859,468				2,886,264
Diluted weighted average common shares outstanding			145,568,667				165,293,594

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- Definition

Tabular disclosure of the reconciliation of basic net earnings per share (or unit) to diluted earnings per share (or unit).

+ References

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

-Topic 260

-SubTopic 10

-Publisher FASB

-Number

-Article

-Subparagraph

-Name Accounting Standards Codification

-Paragraph 1

-Section 50

-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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