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Common and Common Equivalent Shares: (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Calculation of Shares Used in Basic and Diluted Net Income Per Share

The calculation of shares used in the basic and diluted net income per share calculation for the years ended December 31, 2012, 2011 and 2010 is as follows (in thousands):

		Years Ended December 31,
		2012				2011				2010
Weighted average number of common shares outstanding			48,693				47,706				46,630
Weighted average number of dilutive common share equivalents			998				1,090				940
Weighted average number of common and common equivalent shares outstanding			49,691				48,796				47,570
Antidilutive securities not included in the diluted earnings per share calculation			29				45				464

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- 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

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