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Shareholders' Equity (Weighted Average Exercise Price And Fair Value Of Options Granted) (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Stockholders' Equity Note [Abstract]      
Weighted average exercise price per share, Less than market price $ 39.60 $ 35.21 $ 50.74
Weighted average fair value on grant date, Less than market price, per share $ 9.74 $ 8.45 $ 12.12