PENSION AND POST-RETIREMENT PLANS (Tables)

9 Months Ended

Sep. 30, 2015

PENSION AND POST-RETIREMENT PLANS

Components of net periodic cost ( benefit)

The following table provides the components of net periodic benefit cost (benefit) for the Plans for the nine months ended September 30, 2015 and 2014 (in millions):

	Pension Benefits						Post-retirement Benefits
	September 30						September 30
	2015			2014			2015		2014
Service cost	$	2.6		$	2.5		$	1.2	$	0.8
Interest cost	7.1			7.1			1.9		1.9
Expected return on plan assets	(10.4		)	(10.5		)	—		—
Amortization of net gain	4.8			2.3			1.8		0.4
Amortization of prior service cost	(1.7		)	(1.7		)	—		—
Net periodic cost (benefit)	$	2.4		$	(0.3	)	$	4.9	$	3.1