XML 122 R106.htm IDEA: XBRL DOCUMENT v3.3.1.900
Earnings Per Share - Schedule of Reconciliation of the Numerator and Denominator used in the Calculation of Basic and Diluted Earnings per Share (Details) - USD ($)
shares in Millions, $ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Numerator                      
Net income (controlling interest) $ 150.3 $ 109.0 $ 128.7 $ 128.0 $ 172.6 $ 103.2 $ 99.1 $ 77.2 $ 516.0 $ 452.1 $ 360.5
Interest expense on convertible securities, net of taxes                 15.3 15.2 10.5
Net income (controlling interest), as adjusted                 $ 531.3 $ 467.3 $ 371.0
Denominator                      
Average shares outstanding - basic (in shares)                 54.3 55.0 53.1
Effect of dilutive instruments:                      
Stock options and other awards (in shares)                 0.7 1.2 1.3
Forward sale (in shares)                 0.0 0.0 0.3
Junior convertible securities (in shares)                 2.2 2.2 2.0
Average shares outstanding - diluted (in shares)                 57.2 58.4 56.7