PENSIONS

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



	U.S. Benefit Plan												Non-U.S. Benefit Plan
	Three Months Ended June 30,						Six Months Ended June 30,						Three Months Ended June 30,						Six Months Ended June 30,
(in millions)	2017			2016			2017			2016			2017			2016			2017			2016
Service cost	$	—		$	—		$	—		$	—		$	0.1		$	0.1		$	0.1		$	0.1
Interest cost	1.9			1.9			3.8			3.9			0.4			0.5			0.7			1.0
Amortization of actuarial loss	0.6			1.4			1.2			2.8			0.1			0.1			0.3			0.3
Expected return on plan assets	(2.4		)	(2.6		)	(4.8		)	(5.2		)	(0.5		)	(0.7		)	(1.0		)	(1.3		)
Net postretirement pension expense	$	0.1		$	0.7		$	0.2		$	1.5		$	0.1		$	—		$	0.1		$	0.1

In the six months ended June 30, 2017 and 2016, the Company contributed $2.7 million and $3.1 million to its U.S. defined benefit plan, respectively, and $0.4 million and $0.7 million to its non-U.S. defined benefit plan, respectively.

For the year ended December 31, 2017, the Company expects to contribute up to $5.0 million to the U.S. benefit plan and up to $0.9 million to the non-U.S. benefit plan.