FAIR VALUE MEASUREMENTS (Tables)

6 Months Ended

Jun. 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 June 30, 2021	Level 1		Level 2		Level 3		Total
Assets	($ in millions)
Commodity contracts	$	—	$	59.1	$	—	$	59.1
Total Assets	$	—	$	59.1	$	—	$	59.1
Liabilities
Foreign exchange contracts	$	—	$	6.1	$	—	$	6.1
Total Liabilities	$	—	$	6.1	$	—	$	6.1
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 June 30, 2020
Assets
Commodity contracts	$	—	$	4.6	$	—	$	4.6
Foreign exchange contracts	—		2.4		—		2.4
Total Assets	$	—	$	7.0	$	—	$	7.0
Liabilities
Commodity contracts	$	—	$	6.5	$	—	$	6.5
Foreign exchange contracts	—		1.2		—		1.2
Total Liabilities	$	—	$	7.7	$	—	$	7.7