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OTHER INCOME, NET
12 Months Ended
Dec. 31, 2019
Other Income and Expenses [Abstract]  
OTHER INCOME, NET OTHER INCOME, NET

Total other income, net was as follows for the years ended December 31:
(in millions)
 
2019
 
2018
 
2017
AFUDC  Equity
 
$
5.7

 
$
4.6

 
$
4.1

Non-service components of net periodic benefit costs
 
18.0

 
16.7

 
11.8

Other, net
 
15.9

 
16.3

 
7.8

Other income, net
 
$
39.6

 
$
37.6

 
$
23.7