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CONSOLIDATED STATEMENT OF EQUITY (USD $)
In Millions
Total
Common Stock [Member]
Capital in Excess of Par Value [Member]
Treasury Stock [Member]
Retained earnings [Member]
Accumulated other comprehensive (loss) income [Member]
Balance, Beginning at Dec. 31, 2008 $ 487.1 $ 8.6 $ 69.3 $ (63.2) $ 517.3 $ (44.9)
Balance, Beginning (in shares) at Dec. 31, 2008   34.3   (1.6)    
Net income 72.6       72.6  
Shares issued under stock plans 6.6   (5.9) 12.5    
Shares issued under stock plans (in shares)       0.4    
Stock-based compensation 5.5   5.5      
Shares repurchased for employee tax withholdings (1.4)     (1.4)    
Shares repurchased for employee tax withholdings (in shares)       (0.1)    
Excess tax benefit from employee stock plans 4.0   4.0      
Cash dividends declared (20.5)       (20.5)  
Other comprehensive income (loss), net of tax 25.2         25.2
Balance, Ending at Dec. 31, 2009 579.1 8.6 72.9 (52.1) 569.4 (19.7)
Balance, Ending (in shares) at Dec. 31, 2009   34.3   (1.3)    
Net income 65.3       65.3  
Shares issued under stock plans 8.3   (4.4) 12.7    
Shares issued under stock plans (in shares)       0.4    
Stock-based compensation 6.7   6.7      
Shares repurchased for employee tax withholdings (2.1)     (2.1)    
Shares repurchased for employee tax withholdings (in shares)       (0.1)    
Excess tax benefit from employee stock plans 2.1   2.1      
Cash dividends declared (22.1)       (22.1)  
Other comprehensive income (loss), net of tax (11.6)         (11.6)
Balance, Ending at Dec. 31, 2010 625.7 8.6 77.3 (41.5) 612.6 (31.3)
Balance, Ending (in shares) at Dec. 31, 2010   34.3   (1.0)    
Net income 75.5       75.5  
Shares issued under stock plans 8.9   (13.1) 22.0    
Shares issued under stock plans (in shares)       0.5    
Stock-based compensation 8.6   8.6      
Shares repurchased for employee tax withholdings (3.5)     (3.5)    
Shares repurchased for employee tax withholdings (in shares)       (0.1)    
Excess tax benefit from employee stock plans 3.5   3.5      
Cash dividends declared (23.6)       (23.6)  
Other comprehensive income (loss), net of tax (40.2)         (40.2)
Balance, Ending at Dec. 31, 2011 $ 654.9 $ 8.6 $ 76.3 $ (23.0) $ 664.5 $ (71.5)
Balance, Ending (in shares) at Dec. 31, 2011   34.3   (0.6)