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Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

Earnings Per Share

	Three months ended March 31
	2014			2013
Net income	$	83,069		$	76,584
Shares:
Weighted average number of common shares outstanding		31,061			31,012
Dilutive stock awards		425			217
Diluted weighted average number of common shares outstanding		31,486			31,229
Basic earnings per share	$	2.67		$	2.47
Diluted earnings per share	$	2.64		$	2.45

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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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