Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

Accounting Policies [Abstract]

Summary Of Assumptions for Options Granted

            A summary of assumptions for options granted in each of the three years 2011 through 2013 is as follows:

	2013			2012			2011
Volatility factor		38.5	%		39.4	%		42.3	%
Dividend yield		1.1	%		1.0	%		1.0	%
Expected term (in years)		5.62			5.55			4.66
Risk-free rate		1.1	%		1.3	%		2.0	%