POSTRETIREMENT BENEFIT PLANS (Tables)

9 Months Ended

Sep. 30, 2014

Compensation and Retirement Disclosure [Abstract]

Net Periodic Benefit Cost of Pension Plans and Other Employee Related Benefit Plans

The following tables provide the components of net periodic benefit cost for pension plans and other employee-related benefit plans for the three and nine months ended September 30, 2014 and 2013.

	2014												2013
Three Months Ended September 30	Pension				Other Benefits				Total				Pension				Other Benefits				Total
Service cost		$	1.2			$	0.5			$	1.7			$	1.7			$	0.7			$	2.4
Interest cost		3.9				2.0				5.9				3.7				2.1				5.8
Expected return on plan assets		(5.1		)		(0.2		)		(5.3		)		(4.9		)		(0.2		)		(5.1		)
Amortization of prior service cost (benefit)		0.1				(1.5		)		(1.4		)		0.2				(0.1		)		0.1
Amortization of net actuarial loss		1.6				0.8				2.4				2.2				1.1				3.3
Net periodic benefit cost		1.7				1.6				3.3				2.9				3.6				6.5
Loss from curtailment		—				—				—				0.7				—				0.7
Total net periodic benefit cost		$	1.7			$	1.6			$	3.3			$	3.6			$	3.6			$	7.2

	2014												2013
Nine Months Ended September 30	Pension				Other Benefits				Total				Pension				Other Benefits				Total
Service cost		$	3.7			$	1.4			$	5.1			$	5.1			$	2.2			$	7.3
Interest cost		11.7				5.9				17.6				11.0				6.2				17.2
Expected return on plan assets		(15.5		)		(0.5		)		(16.0		)		(14.7		)		(0.5		)		(15.2		)
Amortization of prior service cost (benefit)		0.5				(4.5		)		(4.0		)		0.6				(0.3		)		0.3
Amortization of net actuarial loss		4.7				2.3				7.0				6.7				3.3				10.0
Net periodic benefit cost		5.1				4.6				9.7				8.7				10.9				19.6
Loss from curtailment		—				—				—				0.7				—				0.7
Total net periodic benefit cost		$	5.1			$	4.6			$	9.7			$	9.4			$	10.9			$	20.3