Defined Benefit Plans

6 Months Ended

Jun. 30, 2015

Pension and Other Postretirement Benefit Expense [Abstract]

Defined Benefit Plans

Defined Benefit Plans

At June 30, 2015 and December 31, 2014, we had pension liabilities of $237.2 million and $253.1 million, respectively, the majority of which were assumed in the 2011 VAC acquisition and the 2010 EaglePicher Technologies acquisition.

Set forth below is a detail of the net periodic pension expense for the U.S. defined benefit plans:

	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
Service cost	$	0.3		$	0.3		$	0.6		$	0.6
Interest cost	1.9			2.3			3.7			4.7
Amortization of unrecognized net loss	(0.2		)	0.1			0.2			0.2
Expected return on plan assets	(2.3		)	(2.6		)	(4.5		)	(5.1		)
Total expense	$	(0.3	)	$	0.1		$	—		$	0.4

Set forth below is a detail of the net periodic pension expense for the VAC defined benefit plans:

	Three Months Ended June 30,				Six Months Ended June 30,
	2015		2014		2015		2014
Service cost	$	1.4	$	1.7	$	2.9	$	3.4
Interest cost	0.8		1.5		1.6		3.1
Amortization of unrecognized net loss	0.6		0.3		1.2		0.5
Total expense	$	2.8	$	3.5	$	5.7	$	7.0