ARMSTRONG WORLD INDUSTRIES INC - FORM 10-K - EX-11 - EXHIBIT 11 - February 28, 2011

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10-K - FORM 10-K - ARMSTRONG WORLD INDUSTRIES INCc13129e10vk.htm
EX-24 - EXHIBIT 24 - ARMSTRONG WORLD INDUSTRIES INCc13129exv24.htm
EX-21 - EXHIBIT 21 - ARMSTRONG WORLD INDUSTRIES INCc13129exv21.htm
EX-14 - EXHIBIT 14 - ARMSTRONG WORLD INDUSTRIES INCc13129exv14.htm
EX-23.1 - EXHIBIT 23.1 - ARMSTRONG WORLD INDUSTRIES INCc13129exv23w1.htm
EX-31.2 - EXHIBIT 31.2 - ARMSTRONG WORLD INDUSTRIES INCc13129exv31w2.htm
EX-31.1 - EXHIBIT 31.1 - ARMSTRONG WORLD INDUSTRIES INCc13129exv31w1.htm
EX-23.2 - EXHIBIT 23.2 - ARMSTRONG WORLD INDUSTRIES INCc13129exv23w2.htm
EX-10.4 - EXHIBIT 10.4 - ARMSTRONG WORLD INDUSTRIES INCc13129exv10w4.htm
EX-99.1 - EXHIBIT 99.1 - ARMSTRONG WORLD INDUSTRIES INCc13129exv99w1.htm
EX-32.2 - EXHIBIT 32.2 - ARMSTRONG WORLD INDUSTRIES INCc13129exv32w2.htm
EX-10.25 - EXHIBIT 10.25 - ARMSTRONG WORLD INDUSTRIES INCc13129exv10w25.htm
EX-10.23 - EXHIIBT 10.23 - ARMSTRONG WORLD INDUSTRIES INCc13129exv10w23.htm
EX-10.37 - EXHIBIT 10.37 - ARMSTRONG WORLD INDUSTRIES INCc13129exv10w37.htm
EX-32.1 - EXHIBIT 32.1 - ARMSTRONG WORLD INDUSTRIES INCc13129exv32w1.htm
Exhibit No. 11
ARMSTRONG WORLD INDUSTRIES, INC. AND SUBSIDIARIES
COMPUTATION OF EARNINGS PER SHARE
(AMOUNTS IN MILLIONS EXCEPT FOR PER-SHARE DATA)
                         
    Year Ended December 31,  
    2010     2009     2008  
Basic earnings per share
                        
Net earnings
   $ 11.0     $ 77.7     $ 81.0  
Net earnings allocated to non-vested share awards
     —       (0.4 )     (0.6 )
 
                  
Net earnings attributable to common shares
   $ 11.0     $ 77.3     $ 80.4  
 
                        
Basic weighted average number of common shares outstanding
     57.7       56.8       56.4  
 
                        
Basic earnings per share
   $ 0.19     $ 1.36     $ 1.42  
 
                        
Diluted earnings per share
                        
 
Net earnings
   $ 11.0     $ 77.7     $ 81.0  
Net earnings allocated to non-vested share awards
     —       (0.4 )     (0.6 )
 
                  
Net earnings attributable to common shares
   $ 11.0     $ 77.3     $ 80.4  
 
                        
Basic weighted average number of common shares outstanding
     57.7       56.8       56.4  
Weighted average number of common shares issuable under stock option or unvested stock grants
     0.5       0.2       —  
 
                  
Diluted weighted average number of common shares outstanding
     58.2       57.0       56.4  
 
                        
Diluted earnings per share
   $ 0.19     $ 1.36     $ 1.42  

 

 

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