XML 77 R64.htm IDEA: XBRL DOCUMENT v3.8.0.1
Earnings Per Share - Schedule of Basic and Diluted Earnings Per Share (Details) - USD ($)
shares in Millions, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Numerator        
Net income (controlling interest) $ 125.4 $ 110.2 $ 374.2 $ 322.5
Interest expense on convertible securities, net of taxes 3.9 3.9 11.6 11.6
Net income (controlling interest), as adjusted $ 129.3 $ 114.1 $ 385.8 $ 334.1
Denominator        
Average shares outstanding—basic (in shares) 55.8 53.9 56.3 53.9
Effect of dilutive instruments:        
Stock options and restricted stock (in shares) 0.3 0.5 0.3 0.5
Junior convertible securities (in shares) 2.2 2.2 2.2 2.2
Average shares outstanding—diluted (in shares) 58.3 56.6 58.8 56.6