XML 61 R26.htm IDEA: XBRL DOCUMENT v2.4.0.6

Earnings Per Common Share (Tables)

6 Months Ended

Nov. 30, 2012

Earnings Per Common Share [Abstract]

Reconciliation of the weighted-average number of common shares

		Three Months Ended								Six Months Ended
		Nov 30, 2012				Nov 30, 2011				Nov 30, 2012				Nov 30, 2011
Basic			34,827				25,190				34,765				25,107
Effect of dilutive securities			484				150				514				171
Diluted			35,311				25,340				35,279				25,278

X

- Details

Name:	us-gaap_EarningsPerShareAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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