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Earnings Per Share (Tables)
12 Months Ended
Dec. 31, 2013
Earnings Per Share  
Earnings per share
Year ended December 31,2013 2012 2011
(Dollars and shares in thousands, except earnings per share)     
Net income attributable to U.S. Cellular shareholders$ 140,038 $ 111,006 $ 175,041
          
Weighted average number of shares used in basic earnings per share  83,968   84,645   84,877
Effect of dilutive securities:        
 Stock options  211   184   224
 Restricted stock units  551   401   347
         
Weighted average number of shares used in diluted earnings per share  84,730   85,230   85,448
          
Basic earnings per share attributable to U.S. Cellular shareholders$ 1.67 $ 1.31 $ 2.06
          
Diluted earnings per share attributable to U.S. Cellular shareholders$ 1.65 $ 1.30 $ 2.05
Summary of antidilutive shares
Year Ended December 31,2013 2012 2011
(Shares in thousands)     
Stock options 2,010  2,123  1,591
       
Restricted stock units 190  369  250