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Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2015

Earnings Per Share [Abstract]

Schedule Of Earnings Per Share Basic And Diluted By Common Class [Text Block]

The following table sets forth the computation of basic and diluted earnings per share on net income (in thousands, except per share information):

		Three months ended September 30,								Nine months ended September 30,
		2015				2014				2015				2014
Earnings:
Net income (numerator for basic and diluted calculations)		$	83,534			$	157,996			$	339,039			$	492,956
Shares:
Weighted average outstanding shares (denominator for basic calculation)		66,205				68,643				66,895				69,426
Equivalent shares from outstanding stock options		677				692				749				675
Denominator for diluted calculation		66,882				69,335				67,644				70,101
Earnings per share:
Basic		$	1.26			$	2.30			$	5.07			$	7.10
Diluted		$	1.25			$	2.28			$	5.01			$	7.03

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- References

No definition available.

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- Definition

Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 260



-SubTopic 10



-Section 50



-Paragraph 1



-Subparagraph (c)



-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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