XML 55 R57.htm IDEA: XBRL DOCUMENT v3.19.3
Acquisitions (Pro Forma Summary of All Acquisitions) (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Business Combinations [Abstract]        
Revenue $ 3,337.1 $ 3,188.9 $ 9,557.0 $ 9,326.8
Net income $ 85.2 $ 93.6 $ 204.0 $ 205.6
Basic net income per share (in dollars per share) $ 3.67 $ 3.87 $ 8.79 $ 8.34
Diluted net income per share (in dollars per share) $ 3.63 $ 3.86 $ 8.74 $ 8.30