EMPLOYEE BENEFIT PLANS (Tables)

9 Months Ended

Sep. 30, 2015

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Net Periodic Cost for Pension and Postretirement Benefit Plans

Net periodic (benefit) cost for our pension and postretirement benefit plans was as follows:

	Pension Plans						Postretirement Plans
Three Months Ended September 30,	2015			2014			2015			2014
Service cost	$	0.5		$	0.9		$	0.2		$	0.3
Interest cost	8.2			10.9			2.0			2.0
Expected return on plan assets	(10.7		)	(12.7		)	(0.3		)	(0.3		)
Net amortization	—			—			(0.7		)	(0.8		)
Net periodic (benefit) cost	$	(2.0	)	$	(0.9	)	$	1.2		$	1.2

	Pension Plans						Postretirement Plans
Nine Months Ended September 30,	2015			2014			2015			2014
Service cost	$	1.5		$	2.7		$	0.8		$	0.7
Interest cost	24.9			32.8			5.9			6.0
Expected return on plan assets	(32.5		)	(38.3		)	(0.9		)	(1.0		)
Net amortization	0.1			0.1			(2.1		)	(2.3		)
Net periodic (benefit) cost	$	(6.0	)	$	(2.7	)	$	3.7		$	3.4