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Earnings Per Share (Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share) (Details) (Stock Options [Member], USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Number of shares 1,277,650 0 1,277,650 0
Minimum [Member]
       
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Range of exercise prices $ 24.79 $ 0 $ 24.79 $ 0
Maximum [Member]
       
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Range of exercise prices $ 24.79 $ 0 $ 24.79 $ 0