FAIR VALUE MEASUREMENTS (Tables)

9 Months Ended

Sep. 30, 2021

Fair Value Disclosures [Abstract]

Table of financial instruments measured at fair value

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

	Fair Value Measurements
Balance at September 30, 2021	Level 1		Level 2		Level 3		Total
Assets	($ in millions)
Commodity contracts	$	—	$	79.3	$	—	$	79.3
Foreign exchange contracts	—		0.6		—		0.6
Total Assets	$	—	$	79.9	$	—	$	79.9
Liabilities
Commodity contracts	$	—	$	2.2	$	—	$	2.2
Foreign exchange contracts	—		4.8		—		4.8
Total Liabilities	$	—	$	7.0	$	—	$	7.0
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
Balance at September 30, 2020
Assets
Commodity contracts	$	—	$	24.3	$	—	$	24.3
Foreign exchange contracts	—		1.4		—		1.4
Total Assets	$	—	$	25.7	$	—	$	25.7
Liabilities
Commodity contracts	$	—	$	0.1	$	—	$	0.1
Foreign exchange contracts	—		0.6		—		0.6
Total Liabilities	$	—	$	0.7	$	—	$	0.7