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Employee Benefit Plans
 6 Months Ended
Jun. 30, 2016
Compensation and Retirement Disclosure [Abstract]  
Employee Benefit Plans
Employee Benefit Plans
The Company sponsored a qualified defined-benefit pension plan and a post-retirement benefit plan (collectively, “the Pension Plans”). The Pension Plans were frozen as of September 30, 1986, and since then there have been no new entrants to the Pension Plans.
The following table provides the components of the net periodic benefit cost of the qualified defined-benefit pension plan (in millions):

Three Months Ended

Six Months Ended

June 30,

June 30,

2016

2015

2016
 
2015
PENSION BENEFITS COSTS







Interest cost
$
0.3


$
0.4


$
0.6


$
0.8

Expected return on plan assets
(0.5
)

(0.5
)

(1.0
)

(1.0
)
Amortization of net actuarial loss
0.2


0.2


0.4


0.3

Net periodic benefit cost
$
—


$
0.1


$
—


$
0.1


The Company incurred less than $0.1 million in net periodic benefit costs related to the post-retirement benefit plan for the three and six months ended June 30, 2016 and 2015.
The Company made no contributions to the Pension Plans during the three and six months ended June 30, 2016 and June 30, 2015. No minimum contribution to the defined-benefit pension plan is required in 2016. During the remainder of 2016, the Company expects to contribute a total of $0.2 million to the post-retirement benefit plan.
The Company offers certain plan participants the option to receive a lump sum payment in lieu of future annuity pension benefits. As a result, the Company expects that it will remeasure its pension plan obligation and record a settlement charge once the lump sum payments exceed thresholds calculated under GAAP. Beginning in the third quarter of 2016, the Company expects to recognize settlement charges ranging between $0.8 million and $1.7 million for the year related to lump sum payments and other pension settlement activities.