FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Dec. 31, 2021

Fair Value Disclosures [Abstract]

Fair Value, by Balance Sheet Grouping [Table Text Block]

The following table summarizes the assets and liabilities measured at fair value in the consolidated balance sheets:

Balance at December 31, 2021	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Assets	($ in millions)
Commodity contracts	$	—	$	33.5	$	—	$	33.5
Foreign exchange contracts	—		1.2		—		1.2
Total Assets	$	—	$	34.7	$	—	$	34.7
Liabilities
Commodity contracts	$	—	$	3.2	$	—	$	3.2
Foreign exchange contracts	—		0.6		—		0.6
Total Liabilities	$	—	$	3.8	$	—	$	3.8
Balance at December 31, 2020
Assets
Commodity contracts	$	—	$	29.1	$	—	$	29.1
Foreign exchange contracts	—		2.3		—		2.3
Total Assets	$	—	$	31.4	$	—	$	31.4
Liabilities
Commodity contracts	$	—	$	0.7	$	—	$	0.7
Total Liabilities	$	—	$	0.7	$	—	$	0.7