FAIR VALUE MEASUREMENTS (Tables)

6 Months Ended

Jun. 30, 2020

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, 2020	Level 1		Level 2		Level 3		Total
Assets	($ in millions)
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
Balance at December 31, 2019
Assets
Commodity contracts	$	—	$	2.0	$	—	$	2.0
Foreign exchange contracts	—		0.6		—		0.6
Total assets	$	—	$	2.6	$	—	$	2.6
Liabilities
Commodity contracts	$	—	$	19.6	$	—	$	19.6
Foreign exchange contracts	—		1.2		—		1.2
Total liabilities	$	—	$	20.8	$	—	$	20.8
Balance at June 30, 2019
Assets
Interest rate swaps	$	—	$	1.7	$	—	$	1.7
Commodity contracts	—		0.7		—		0.7
Foreign exchange contracts	—		0.1		—		0.1
Total assets	$	—	$	2.5	$	—	$	2.5
Liabilities
Interest rate swaps	$	—	$	9.0	$	—	$	9.0
Commodity contracts	—		20.0		—		20.0
Foreign exchange contracts	—		0.7		—		0.7
Total liabilities	$	—	$	29.7	$	—	$	29.7

Fair value of debt table

The following table summarizes the fair value measurements of debt and the actual debt recorded on our condensed balance sheets:

	Fair Value Measurements								Amount recorded on balance sheets
	Level 1		Level 2		Level 3		Total
	($ in millions)
Balance at June 30, 2020	$	—	$	3,901.7	$	153.0	$	4,054.7	$	4,075.7
Balance at December 31, 2019	—		3,417.5		153.0		3,570.5		3,340.8
Balance at June 30, 2019	—		3,262.6		153.0		3,415.6		3,233.7