v2.4.0.6
Consolidated Statement of Stockholders' Equity (USD $)
In Millions, unless otherwise specified
Total
Common Stock [Member]
Additional Paid-In Capital
Retained Earnings
Treasury Stock
Accumulated Other Comprehensive Income (Loss), Net of Tax
Noncontrolling Interests
Beginning Balance at Dec. 31, 2008   $ 3.9 $ 6,260.1 $ 1,477.2 $ (456.7) $ (3.1) $ 1.1
Beginning Balance, shares at Dec. 31, 2008   393.4     14.9    
Comprehensive income:              
Net income 496.5     495.0     1.5
Other comprehensive (loss) income, net of tax:              
Change in the value of derivative instruments, net of tax of $0.2, $4.1 and $13.4 for 2009, 2010 and 2011, respectively           (0.1)  
Employee benefit plan liability adjustments, net of tax of $12.8, $6.1 and $17.1 for 2009, 2010 and 2011, respectively           22.2  
Cash dividends declared (288.7)     (288.7)      
Issuances of common stock   0.1 40.6        
Issuances of common stock, shares   2.3          
Stock-based compensation     15.4 (0.4)      
Purchase of common stock for treasury         (1.0)    
Ending Balance at Dec. 31, 2009   4.0 6,316.1 1,683.1 (457.7) 19.0 2.6
Ending Balance, shares at Dec. 31, 2009   395.7     14.9    
Comprehensive income:              
Net income 507.5     506.5     1.0
Other comprehensive (loss) income, net of tax:              
Change in the value of derivative instruments, net of tax of $0.2, $4.1 and $13.4 for 2009, 2010 and 2011, respectively (3.4)         (5.8)  
Employee benefit plan liability adjustments, net of tax of $12.8, $6.1 and $17.1 for 2009, 2010 and 2011, respectively           8.7  
Cash dividends declared (298.8)     (298.8)      
Issuances of common stock     90.0        
Issuances of common stock, shares   4.5          
Stock-based compensation     25.0 (0.5)      
Purchase of common stock for treasury         (43.1)    
Purchase of common stock for treasury, shares         (1.6)    
Distributions paid to noncontrolling interests             (1.2)
Ending Balance at Dec. 31, 2010 7,848.9 4.0 6,431.1 1,890.3 (500.8) 21.9 2.4
Ending Balance, shares at Dec. 31, 2010   400.2     16.5    
Comprehensive income:              
Net income 588.9     589.2     (0.3)
Other comprehensive (loss) income, net of tax:              
Change in the value of derivative instruments, net of tax of $0.2, $4.1 and $13.4 for 2009, 2010 and 2011, respectively (20.4)         (19.1)  
Employee benefit plan liability adjustments, net of tax of $12.8, $6.1 and $17.1 for 2009, 2010 and 2011, respectively           (24.3)  
Cash dividends declared (314.1)     (314.1)      
Issuances of common stock     43.2        
Issuances of common stock, shares   1.9          
Stock-based compensation     21.3 (0.7)      
Purchase of common stock for treasury (500.8)       (460.7)    
Purchase of common stock for treasury, shares (17.1)       (15.7)    
Ending Balance at Dec. 31, 2011 $ 7,683.4 $ 4.0 $ 6,495.6 $ 2,164.7 $ (961.5) $ (21.5) $ 2.1
Ending Balance, shares at Dec. 31, 2011   402.1     32.2