PENSIONS

The following table summarizes the components of net postretirement pension expense (benefit):



	U.S. Benefit Plan												Non-U.S. Benefit Plan
	Three Months Ended September 30,						Nine Months Ended September 30,						Three Months Ended September 30,						Nine Months Ended September 30,
(in millions)	2018			2017			2018			2017			2018			2017			2018			2017
Service cost	$	—		$	—		$	—		$	—		$	—		$	—		$	0.1		$	0.1
Interest cost	1.6			1.8			4.8			5.6			0.3			0.3			1.0			1.0
Amortization of actuarial loss	0.8			0.7			2.3			1.9			0.2			0.2			0.5			0.5
Expected return on plan assets	(2.2		)	(2.4		)	(6.6		)	(7.2		)	(0.5		)	(0.5		)	(1.7		)	(1.5		)
Net postretirement pension expense (benefit)	$	0.2		$	0.1		$	0.5		$	0.3		$	—		$	—		$	(0.1	)	$	0.1

In the nine months ended September 30, 2018 and 2017, the Company contributed $7.0 million and $3.9 million to its U.S. defined benefit plan, respectively, and $1.0 million and $0.7 million to its non-U.S. defined benefit plan, respectively.

During the remainder of 2018, the Company expects to make additional contributions of up to $0.3 million to the non-U.S. benefit plan.