Defined Benefit Pension Plans

3 Months Ended

Mar. 31, 2016

Compensation and Retirement Disclosure [Abstract]

Compensation and Employee Benefit Plans

DEFINED BENEFIT PENSION PLANS

The following table sets forth the net periodic pension cost for LP’s defined benefit pension plans during the three months ended March 31, 2016 and 2015. The net periodic pension cost included the following components:

	Three Months Ended March 31,
Dollar amounts in millions	2016			2015
Service cost	$	1.2		$	1.0
Interest cost	3.3			3.4
Expected return on plan assets	(3.3		)	(3.8		)
Amortization of prior service cost	0.1			0.1
Amortization of net loss	1.4			1.8
Net periodic pension cost	$	2.7		$	2.5

During the three months ended March 31, 2016 and 2015, LP recognized $2.7 million and $2.5 million of pension expense for all of LP's defined benefit pension plans.

During the three months ended March 31, 2016, LP made $2.0 million in pension contributions to its defined benefit pension plans. LP expects to contribute between $6.0 million and $8.0 million to its defined benefit pension plans in 2016.