FAIR VALUE MEASUREMENTS (Tables)

6 Months Ended

Jun. 30, 2016

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, 2016	Level 1		Level 2		Level 3		Total
Assets	($ in millions)
Interest rate swaps	$	—	$	3.7	$	—	$	3.7
Foreign exchange contracts	—		0.1		—		0.1
Liabilities
Interest rate swaps	$	—	$	6.5	$	—	$	6.5
Commodity forward contracts	—		3.1		—		3.1
Foreign exchange contracts	—		2.1		—		2.1
Balance at December 31, 2015
Assets
Interest rate swaps	$	—	$	1.1	$	—	$	1.1
Foreign exchange contracts	—		0.1		—		0.1
Liabilities
Interest rate swaps	$	—	$	1.6	$	—	$	1.6
Commodity forward contracts	—		11.6		—		11.6
Balance at June 30, 2015
Assets
Interest rate swaps	$	—	$	2.3	$	—	$	2.3
Liabilities
Interest rate swaps	$	—	$	3.1	$	—	$	3.1
Commodity forward contracts	—		8.8		—		8.8

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, 2016	$	—	$	3,740.3	$	153.0	$	3,893.3	$	3,695.8
Balance at December 31, 2015	—		3,826.9		153.0		3,979.9		3,848.8
Balance at June 30, 2015	—		533.3		153.0		686.3		664.1