PENSIONS

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



	U.S. Benefit Plan						Non-U.S. Benefit Plan
	Three Months Ended March 31,						Three Months Ended March 31,
(in millions)	2016			2015			2016			2015
Interest cost	$	2.0		$	1.9		$	0.5		$	0.5
Amortization of actuarial loss	1.4			1.6			0.2			0.2
Expected return on plan assets	(2.6		)	(2.5		)	(0.6		)	(0.7		)
Net postretirement pension expense	$	0.8		$	1.0		$	0.1		$	—

During the three months ended March 31, 2016 and 2015, the Company contributed $1.5 million and $1.6 million to its U.S. defined benefit plan, respectively, and $0.4 million and $1.1 million to its non-U.S. defined benefit plan, respectively.

For the year ended December 31, 2016, the Company expects to contribute up to $7.2 million to the U.S. benefit plan and up to $1.4 million to the non-U.S. benefit plan.

During the three months ended March 31, 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 10 – Stockholders’ Equity.

In connection with the completion of the sale of Bronto, the Company recognized $0.4 million of actuarial losses, which were previously included in Accumulated other comprehensive loss, as a component of the calculation of the gain on disposal recorded in the three months ended March 31, 2016.