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Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2015

Share-Based Compensation [Abstract]

Schedule Of Weighted Averages Of The Assumptions Used In Estimating The Fair Value Of Stock Option Awards

						For the Three Months Ended March 31,
							2015				2014
Expected stock price volatility							23	%			28	%
Expected term, in years							5.6				5.7
Risk-free interest rate							1.5	%			1.5	%
Weighted average estimated fair value of options granted						$	39.99			$	35.94

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- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (f)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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