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Net Income Per Common Share (Tables)

12 Months Ended

Jan. 31, 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

		Fiscal Year Ended January 31,
		2012				2011				2010
Basic weighted average shares outstanding			154,025,589				166,896,322				168,053,502
Effect of dilutive options, non-vested shares and stock appreciation rights			2,165,700				3,437,228				3,176,743
Diluted weighted average common shares outstanding			156,191,289				170,333,550				171,230,245

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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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