OTHER ASSETS (Tables)

3 Months Ended

Mar. 31, 2021

Other Assets [Abstract]

Schedule of Other Assets

Included in other assets were the following:

	March 31, 2021		December 31, 2020		March 31, 2020
	($ in millions)
Supply contracts	$	1,106.2	$	1,122.9	$	1,165.7
Other	64.8		68.4		39.6
Other assets	$	1,171.0	$	1,191.3	$	1,205.3