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Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2014

Stockholders' Equity

Reconciliation of number of shares outstanding with the number of shares used in computing basic and diluted earnings per share

        The following table reconciles the number of shares outstanding with the number of shares used in computing basic and diluted earnings per share for each of the periods presented (in thousands):

		Year Ended December 31,
		2014			2013			2012
Common shares outstanding, end of period(a)			37,270			37,578			37,069
Effect of using weighted average common shares outstanding			277			(333	)		43
​	​	​	​	​	​	​	​	​	​	​
Shares used in computing earnings per share—basic			37,547			37,245			37,112
Effect of shares issuable under stock option plans based on the treasury stock method			147			183			87
Effect of contingently issuable restricted shares			103			108			60
​	​	​	​	​	​	​	​	​	​	​
Shares used in computing earnings per share—diluted			37,797			37,536			37,259
​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​

(a) Excludes 0.1 million and 0.2 million shares of unvested contingently issuable restricted stock outstanding for the years ended December 31, 2013 and 2012, respectively (see Note 14 "Stock-Based Compensation").

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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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