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Common and Common Equivalent Shares (Tables)

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

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

The calculation of shares used in the basic and diluted net income per share calculation for the three and six months ended June 30, 2013 and 2012 is as follows (in thousands):

		Three Months Ended June 30,								Six Months Ended June 30,
		2013				2012				2013				2012
Weighted average number of common shares outstanding			49,558				48,543				49,434				48,408
Weighted average number of dilutive common share equivalents			991				1,002				1,037				1,066
Weighted average number of common and common equivalent shares outstanding			50,549				49,545				50,471				49,474
Antidilutive securities not included in the dilutive earnings per share calculation			69				40				34				34

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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

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