XML 21 R9.htm IDEA: XBRL DOCUMENT v3.7.0.1
Earnings Per Share (Notes)
 3 Months Ended
Mar. 31, 2017
Earnings Per Share [Abstract]  
Earnings Per Share [Text Block]
  Earnings Per Share
The following sets forth basic and diluted earnings per common share available to IPG common stockholders.
 
Three months ended
March 31,
 
2017
 
2016
Net income available to IPG common stockholders
$
21.5

 
$
5.4

 
 
 
 
Weighted-average number of common shares outstanding - basic
391.7

 
400.6

Add: Effect of dilutive securities
 
 
 
       Restricted stock, stock options and other equity awards
7.6

 
8.7

Weighted-average number of common shares outstanding - diluted
399.3

 
409.3

 
 
 
 
Earnings per share available to IPG common stockholders:
 
 
 
       Basic
$
0.05

 
$
0.01

       Diluted
$
0.05

 
$
0.01