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INVENTORIES (Tables)
3 Months Ended
Mar. 31, 2020
Inventory Disclosure [Abstract]  
Schedule of Inventories
($ in millions)
March 31, 2020
 
December 31, 2019
Raw materials
$
63.4

 
$
53.4

Building materials for resale
4.0

 
3.6

Other
1.8

 
2.0

Total
$
69.2

 
$
59.0