XML 52 R20.htm IDEA: XBRL DOCUMENT v2.4.0.6

Net Income per Common Share (Tables)

9 Months Ended

Oct. 31, 2012

Reconciliation of Weighted Average Shares Outstanding Used For Computation of Basic and Diluted Net Income Per Common Share

The following is a reconciliation of the weighted average shares outstanding used for the computation of basic and diluted net income per common share:

		Three Months Ended October 31,								Nine Months Ended October 31,
		2012				2011				2012				2011
Basic weighted average shares outstanding			145,539,816				151,170,175				145,024,545				157,313,818
Effect of dilutive options, stock appreciation rights, restricted shares and performance share units			1,547,166				2,264,636				1,067,897				2,437,675
Diluted weighted average shares outstanding			147,086,982				153,434,811				146,092,442				159,751,493

X

- Definition

Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

-Paragraph 1

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

+ Details

Name:	us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration