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Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2014

Earnings Per Share [Abstract]

Earnings Per Share

		Years ended December 31
		2014			2013			2012
Net income		$	445,374		$	327,438		$	278,000
Shares:
Weighted average number of common shares outstanding			31,038			30,957			31,513
Dilutive stock awards			474			324			270
Diluted weighted average number of common shares outstanding			31,512			31,281			31,783
Basic earnings per share		$	14.35		$	10.58		$	8.82
Diluted earnings per share		$	14.13		$	10.47		$	8.75

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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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