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EARNINGS PER SHARE (Tables)
6 Months Ended
Jun. 30, 2019
Earnings Per Share [Abstract]  
Schedule of Computation of Basic and Diluted Earnings Per Share
The table below presents the computation of basic and diluted earnings per share (in millions, except for per share information):
 
Three Months Ended   
June 30,
 
Six Months Ended   
June 30,
 
2019
 
2018
 
2019
 
2018
Basic:
 

 
 

 
 

 
 

Net income
$
242.3

 
$
282.7

 
$
492.0

 
$
489.3

Weighted-average shares outstanding
208.1

 
209.5

 
208.0

 
209.8

Basic earnings per share
$
1.16

 
$
1.35

 
$
2.37

 
$
2.33

Diluted:
 

 
 

 
 

 
 

Net income
$
242.3

 
$
282.7

 
$
492.0

 
$
489.3

Weighted-average shares outstanding
208.1

 
209.5

 
208.0

 
209.8

Dilutive effect of stock plans
4.0

 
4.5

 
4.1

 
4.7

Dilutive weighted-average shares outstanding
212.1

 
214.0

 
212.1

 
214.5

Diluted earnings per share
$
1.14

 
$
1.32

 
$
2.32

 
$
2.28