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Employee Benefit Plans (Tables)
 6 Months Ended
Jun. 30, 2015
Compensation and Retirement Disclosure [Abstract]  
Schedule of Defined Benefit Plans Disclosures
The following table provides the components of the net periodic benefit cost (income) of the qualified defined-benefit pension plan (in millions):

Three Months Ended

Six Months Ended

June 30,

June 30,

2015

2014

2015
 
2014
PENSION BENEFITS







Interest cost
$
0.4


$
0.4


$
0.8


$
0.8

Expected return on plan assets
(0.5
)

(0.6
)

(1.0
)

(1.2
)
Amortization of net actuarial loss
0.2


0.1


0.3


0.2

Net periodic benefit cost (income)
$
0.1


$
(0.1
)

$
0.1


$
(0.2
)