EMPLOYEE BENEFIT PLANS (Tables)

6 Months Ended

Jun. 30, 2015

Components of Net Periodic Benefit Cost

Components of net periodic benefit cost consist of the following (dollars in millions):

	Pension Plans						Post-retirement Benefits
	Three months ended June 30,						Three months ended June 30,
	2015			2014			2015			2014
Net periodic benefit cost:
Service cost	$	3.6		$	3.3		$	0.6		$	0.6
Interest cost		1.3			1.2			1.3			1.4
Expected return on assets		(2.1	)		(1.9	)		—			—
Prior service cost		0.0			0.0			(0.9	)		(0.9	)
Gain		(0.0	)		—			—			(0.2	)
Net periodic benefit cost	$	2.8		$	2.6		$	1.0		$	0.9
	Pension Plans						Post-retirement Benefits
	Six months ended June 30,						Six months ended June 30,
	2015			2014			2015			2014
Net periodic benefit cost:
Service cost	$	7.2		$	6.6		$	1.2		$	1.1
Interest cost		2.6			2.5			2.7			2.9
Expected return on assets		(4.2	)		(3.8	)		—			—
Prior service cost		0.0			0.0			(1.8	)		(1.8	)
Gain		(0.0	)		—			—			(0.4	)
Net periodic benefit cost	$	5.6		$	5.3		$	2.1		$	1.8