Pension and Post-retirement Benefit Plans Pension and Post-retirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2015

Compensation and Retirement Disclosure [Abstract]

Components of net periodic benefit cost

The components of net periodic benefit cost were as follows (in millions):

	For the Three Months Ended September 30,
	2015			2014			2015			2014
	Pension Benefits						Other Benefits
Service cost	$	1.2		$	1.1		$	—		$	—
Interest cost	4.3			4.4			0.1			0.1
Expected return on plan assets	(5.3		)	(5.7		)	—			—
Amortization of prior service cost	—			0.1			(0.8		)	(0.8		)
Recognized actuarial loss	2.4			1.6			0.4			0.4
Settlements and curtailments	—			—			—			—
Net periodic benefit cost (1)	$	2.6		$	1.5		$	(0.3	)	$	(0.3	)

	For the Nine Months Ended September 30,
	2015			2014			2015			2014
	Pension Benefits						Other Benefits
Service cost	$	3.6		$	3.2		$	—		$	—
Interest cost	12.9			13.3			0.2			0.1
Expected return on plan assets	(16.0		)	(17.0		)	—			—
Amortization of prior service cost	—			0.2			(2.4		)	(2.2		)
Recognized actuarial loss	7.2			4.9			1.2			1.1
Settlements and curtailments	0.4			—			—			—
Net periodic benefit cost (1)	$	8.1		$	4.6		$	(1.0	)	$	(1.0	)

⁽¹⁾ All net periodic benefit cost for the three and nine months ended September 30, 2015 and 2014 related to continuing operations.