PENSIONS

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



	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)	2016			2015			2016			2015			2016			2015			2016			2015
Service cost	$	—		$	—		$	—		$	—		$	—		$	0.1		$	0.1		$	0.2
Interest cost	1.9			1.9			5.8			5.7			0.4			0.6			1.4			1.6
Amortization of actuarial loss	1.4			1.7			4.2			5.1			0.2			0.1			0.5			0.5
Expected return on plan assets	(2.6		)	(2.6		)	(7.8		)	(7.7		)	(0.5		)	(0.7		)	(1.8		)	(2.1		)
Net postretirement pension expense	$	0.7		$	1.0		$	2.2		$	3.1		$	0.1		$	0.1		$	0.2		$	0.2

In the nine months ended September 30, 2016 and 2015, the Company contributed $5.6 million and $5.5 million to its U.S. defined benefit plan, respectively, and $1.0 million and $1.1 million to its non-U.S. defined benefit plan, respectively.

During the remainder of 2016, the Company expects to make additional contributions of up to $0.4 million to the non-U.S. benefit plan but does not expect to make any further contributions to the U.S benefit plan.

In the nine months ended September 30, 2015, the Company repurchased all of the remaining shares of its common stock from its U.S benefit plan for a total cost of $3.6 million. The repurchases were made under the stock repurchase program discussed further in Note 11 – Stockholders’ Equity.

In connection with the completion of the sale of Bronto, the Company recognized $0.4 million of actuarial losses in the first quarter of 2016, which were previously included in Accumulated other comprehensive loss, as a component of the calculation of the gain on disposal recorded in the nine months ended September 30, 2016.