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Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Earnings Per Share

	Three months ended June 30						Six months ended June 30
	2013			2012			2013			2012
Net income	$	87,853		$	81,683		$	164,437		$	144,347
Shares:
Weighted average number of common shares outstanding		30,901			31,696			30,956			31,553
Dilutive stock awards		275			255			246			346
Diluted weighted average number of common		31,176			31,951			31,202			31,899
shares outstanding
Basic earnings per share	$	2.84		$	2.58		$	5.31		$	4.57
Diluted earnings per share	$	2.82		$	2.56		$	5.27		$	4.53

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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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