OTHER ASSETS (Tables)

12 Months Ended

Dec. 31, 2016

Other Assets [Abstract]

Schedule of Other Assets

Included in other assets were the following:

	December 31,
	2016		2015
	($ in millions)
Investments in non-consolidated affiliates	$	26.7	$	25.0
Deferred debt issuance costs	2.6		3.3
Tax-related receivables	17.5		1.5
Interest rate swaps	7.7		—
Supply contracts	566.7		406.5
Other	23.2		18.3
Other assets	$	644.4	$	454.6