Pension and Postretirement Health and Life Benefits

3 Months Ended

Mar. 31, 2018

Retirement Benefits, Description [Abstract]

Pension and Postretirement Health and Life Benefits

PENSION AND POSTRETIREMENT HEALTH AND LIFE BENEFITS

The components of net periodic benefit expense (income) for the defined benefit pension plans were as follows (in millions):



	Three Months Ended March 31,
	2018			2017
Service costs	$	0.8		$	0.9
Interest costs	7.2			8.1
Expected gains on plan assets	(10.2		)	(10.2		)
Net periodic benefit income	$	(2.2	)	$	(1.2	)

The components of net periodic benefit expense for the postretirement health and life benefit plans were as follows (in millions):



	Three Months Ended March 31,
	2018		2017
Interest costs	$	1.4	$	1.8
Amortization of prior service credits	—		(0.1		)
Net periodic benefit expense	$	1.4	$	1.7

The Company reports service costs for its defined benefit pension plans and its postretirement health and life benefit plans in Cost of Sales and Selling, General and Administrative Expenses. The remaining components of net periodic benefit expense (income) are reported as Nonoperating Components of Net Periodic Benefit Expense (Income).