FAIR VALUE MEASUREMENTS (Tables)
 9 Months Ended
Sep. 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 September 30, 2016
Level 1
 
Level 2
 
Level 3
 
Total
Assets
($ in millions)
Interest rate swaps
$
—

 
$
2.5

 
$
—

 
$
2.5

Commodity contracts
—

 
0.9

 
—

 
0.9

Foreign exchange contracts
—

 
—

 
—

 
—

Liabilities
 
 
 
 
 
 
 
Interest rate swaps
$
—

 
$
2.5

 
$
—

 
$
2.5

Commodity contracts
—

 
3.9

 
—

 
3.9

Foreign exchange contracts
—

 
0.8

 
—

 
0.8

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 contracts
—

 
11.6

 
—

 
11.6

Balance at September 30, 2015
 
 
 
 
 
 
 
Assets
 
Interest rate swaps
$
—

 
$
1.7

 
$
—

 
$
1.7

Liabilities
 
 
 
 
 
 
 
Interest rate swaps
$
—

 
$
2.4

 
$
—

 
$
2.4

Commodity contracts
—

 
11.8

 
—

 
11.8
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 September 30, 2016
$
—

 
$
3,732.7

 
$
153.0

 
$
3,885.7

 
$
3,677.8

Balance at December 31, 2015
—

 
3,826.9

 
153.0

 
3,979.9

 
3,848.8

Balance at September 30, 2015
—

 
500.0

 
153.0

 
653.0

 
662.3