ENVIRONMENTAL (Tables)

12 Months Ended

Dec. 31, 2016

Environmental Remediation Obligations [Abstract]

Rollforward of environmental liabilities

Our liabilities for future environmental expenditures were as follows:

	December 31,
	2016			2015
	($ in millions)
Beginning balance	$	138.1		$	138.3
Charges to income	9.2			15.7
Remedial and investigatory spending	(10.3		)	(14.1		)
Currency translation adjustments	0.3			(1.8		)
Ending balance	$	137.3		$	138.1

Environmental Provisions Charged (Credited) to Income Table

Environmental provisions charged (credited) to income, which are included in cost of goods sold, were as follows:

	Years ended December 31,
	2016		2015		2014
	($ in millions)
Charges to income	$	9.2	$	15.7	$	9.6
Recoveries from third parties of costs incurred and expensed in prior periods	—		—		(1.4		)
Total environmental expense	$	9.2	$	15.7	$	8.2