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Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

Reconciliation of Weighted Average Common Shares Outstanding

A reconciliation of weighted average common shares outstanding used to calculate basic and diluted net income per share follows:

	2014			2013			2012
	(in thousands)
Weighted average common shares outstanding (basic)	186,219			193,334			199,067
Impact of common stock equivalents	962			1,020			972
Weighted average common shares outstanding (diluted)	187,181			194,354			200,039

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- Definition

Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit).

+ 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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