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Earnings Per Share (EPS) (Tables)
6 Months Ended
Jun. 30, 2012
Earnings Per Share (EPS) [Abstract]  
Weighted-average common shares outstanding
                                     
     Three Months Ended
June 30
         Six Months Ended
June 30
 
in thousands   2012     2011         2012     2011  

Weighted-average common shares outstanding

    129,676       129,446           129,634       129,263  

Dilutive effect of

                                   

Stock options/SOSARs

    0       0           0       0  

Other stock compensation plans

    0       0           0       0  

Weighted-average common shares outstanding, assuming dilution

      129,676         129,446             129,634         129,263  
Antidilutive common stock equivalents
                                     
     Three Months Ended
June 30
         Six Months Ended
June 30
 
in thousands   2012     2011         2012     2011  

Antidilutive common stock equivalents

    5,054       5,873           5,053       5,873