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Net Income Per Share (Tables)

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Computation of Basic and Diluted Net Income Per Share

The following table sets forth the computation of basic and diluted net income per share:

		Three Months Ended June 30,								Six Months Ended June 30,
		2013				2012				2013				2012
Numerator:
Net income		$	7,320			$	18,572			$	13,081			$	41,340
Denominator:
Shares used in net income per common share – basic			53,054,000				52,679,000				52,914,000				52,591,000
Effect of dilutive securities:
Stock options, restricted stock and employee stock purchase plan			304,000				527,000				445,000				623,000
Shares used in net income per common share – diluted			53,358,000				53,206,000				53,359,000				53,214,000
Net income per common share:
Basic		$	0.14			$	0.35			$	0.25			$	0.79
Diluted		$	0.14			$	0.35			$	0.25			$	0.78

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ 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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