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Employee Benefit Plans (Tables)
 6 Months Ended
Jun. 30, 2016
Compensation and Retirement Disclosure [Abstract]  
Schedule of Defined Benefit Plans Disclosures
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