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Weighted Average Shares (Tables)

12 Months Ended

Dec. 31, 2013

Earnings Per Share [Abstract]

Calculation of Weighted-Average Shares

Weighted-average shares were calculated as follows (in thousands):

		Year Ended December 31,
		2013				2012				2011
Basic weighted-average common shares outstanding			86,946				85,666				83,718
Effect of dilutive stock options			1,955				1,614				1,806
Diluted weighted-average common and common-equivalent shares outstanding			88,901				87,280				85,524

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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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