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Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2016

Earnings Per Share [Abstract]

Reconciliation Between Basic and Diluted Earnings Per Share

A reconciliation between basic and diluted earnings per share is as follows (in thousands, except per share data):

	Quarter Ended June 30,								Six Months Ended June 30,
	2016				2015				2016				2015
Net income for basic and diluted earnings per share	$	229,905			$	184,967			$	329,045			$	230,197
Weighted-average common shares outstanding	215,265				219,913				216,089				219,770
Dilutive effect of stock options, performance share awards and restricted stock awards	866				989				951				1,116
Diluted weighted-average shares outstanding	216,131				220,902				217,040				220,886
Basic earnings per share	$	1.07			$	0.84			$	1.52			$	1.05
Diluted earnings per share	$	1.06			$	0.84			$	1.52			$	1.04

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- References

No definition available.

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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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