POSTRETIREMENT BENEFIT PLANS

The following table provides the components of net periodic benefit cost for pension plans and other employee-related benefit plans for the three months ended March 31, 2018 and 2017.



	2018												2017
For the Three Months Ended March 31	Pension				Other Benefits				Total				Pension				Other Benefits				Total
Service cost		$	0.4			$	0.2			$	0.6			$	0.6			$	0.2			$	0.8
Interest cost		2.8				1.1				3.9				3.0				1.1				4.1
Expected return on plan assets^(a)		(3.4		)		(0.1		)		(3.5		)		(3.8		)		(0.1		)		(3.9		)
Amortization of prior service cost (benefit)		0.2				(1.3		)		(1.1		)		0.2				(1.4		)		(1.2		)
Amortization of net actuarial loss		1.5				1.1				2.6				1.7				1.1				2.8
Total net periodic benefit cost		$	1.5			$	1.0			$	2.5			$	1.7			$	0.9			$	2.6


(a)	Includes plan administrative expenses of $0.9 and $0.8 for the three months ended March 31, 2018 and 2017, respectively. The prior year plan administrative expenses have been reclassified from the service cost component line to conform to the current year presentation.

We made contributions to our global postretirement plans of $3.5 during both the three months ended March 31, 2018 and 2017, respectively. We expect to make contributions of approximately $10 to $14 during the remainder of 2018, principally related to our other postretirement employee benefit plans.

Amortization from accumulated other comprehensive income into earnings related to prior service cost and net actuarial loss was $1.1, net of tax, for both the three months ended March 31, 2018 and 2017, respectively. No other reclassifications from accumulated other comprehensive income into earnings were recognized during any of the presented periods.