XML 36 R7.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Consolidated Statements of Stockholders' Equity - USD ($)
$ in Millions
Total
Common Stock
Additional Paid-in Capital
Retained Earnings
Accumulated other comprehensive income (loss)
Balance at beginning of year at Dec. 31, 2016   $ 2.9 $ 37.4 $ 1,940.1 $ (47.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock options exercised     9.5    
Purchases of common stock     (43.6) (39.0)  
Stock-based compensation     5.2    
Net earnings $ 578.6     578.6  
Dividends paid in cash       (369.1)  
Other comprehensive income (loss)         22.2
Balance at end of year at Dec. 31, 2017 $ 2,096.9 2.9 8.5 2,110.6 (25.1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Cash dividends paid per share of common stock (in dollars per share) $ 0.64        
Stock options exercised     13.4    
Purchases of common stock     (24.0) (79.0)  
Stock-based compensation     5.1    
Net earnings $ 751.9     751.9  
Dividends paid in cash       (441.9)  
Other comprehensive income (loss)         (19.7)
Balance at end of year at Dec. 31, 2018 $ 2,302.7 2.9 3.0 2,341.6 (44.8)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Cash dividends paid per share of common stock (in dollars per share) $ 0.77        
Stock options exercised     58.5    
Purchases of common stock     0.0 0.0  
Stock-based compensation     5.7    
Net earnings $ 790.9     790.9  
Dividends paid in cash       (498.6)  
Other comprehensive income (loss)         6.4
Balance at end of year at Dec. 31, 2019 $ 2,665.6 $ 2.9 $ 67.2 $ 2,633.9 $ (38.4)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Cash dividends paid per share of common stock (in dollars per share) $ 0.87