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ACCOUNTS RECEIVABLES (Tables)
 6 Months Ended
Jun. 30, 2020
Receivables [Abstract]  
AR Facilities The following table summarizes the AR Facilities activity:

 
June 30,
 
2020
 
2019
 
($ in millions)
Balance at beginning of year
$
63.1

 
$
132.4

     Gross receivables sold
457.5

 
522.4

     Payments received from customers on sold accounts
(458.9
)
 
(556.1
)
Balance at end of period
$
61.7

 
$
98.7