Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2017

Defined Benefit Plan Disclosure [Line Items]

Components of Net Periodic Benefit Cost

The following table sets forth the net periodic benefit cost for the Company’s defined benefit pension plans and other benefits for the three months endedSeptember 30:

	Pension Benefits						Other Benefits
	2017			2016			2017		2016
Components of net periodic benefit cost
Service cost	$	3.6		$	2.8		$	—	$	—
Interest cost	7.9			7.1			0.1		0.2
Expected return on plan assets	(8.6		)	(8.1		)	—		—
Recognized net actuarial loss	1.4			1.5			—		—
Curtailment loss	—			(0.2		)	—		—
Net periodic pension benefit cost	$	4.3		$	3.1		$	0.1	$	0.2

The following table sets forth the net periodic benefit cost for the Company’s defined benefit pension plans and other benefits for the nine months endedSeptember 30:

	Pension Benefits						Other Benefits
	2017			2016			2017		2016
Components of net periodic benefit cost
Service cost	$	10.8		$	4.6		$	—	$	—
Interest cost	23.7			19.5			0.3		0.4
Expected return on plan assets	(25.8		)	(21.6		)	—		—
Recognized net actuarial loss	4.2			4.3			—		0.1
Curtailment loss	—			(0.2		)	—		—
Net periodic pension benefit cost (1)	$	12.9		$	6.6		$	0.3	$	0.5

⁽¹⁾ The increase in net periodic pension benefit cost is a result of the Acquisition.