ACCRUED LIABILITIES

12 Months Ended

Dec. 31, 2016

Accrued Liabilities, Current [Abstract]

ACCRUED LIABILITIES

ACCRUED LIABILITIES

Included in accrued liabilities were the following:

	December 31,
	2016		2015
	($ in millions)
Acquisition-related accruals	$	—	$	90.2
Accrued compensation and payroll taxes	77.8		53.4
Tax-related accruals	40.9		29.5
Accrued interest	30.7		35.0
Legal and professional costs	21.2		32.0
Accrued employee benefits	21.2		24.4
Environmental (current portion only)	17.0		19.0
Asset retirement obligation (current portion only)	12.6		7.3
Other	42.4		37.3
Accrued liabilities	$	263.8	$	328.1