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Retirement Plans (Tables)
 6 Months Ended
Jun. 30, 2015
Compensation and Retirement Disclosure [Abstract]  
Components of Net Periodic Pension (Credit) Cost
Components of net periodic pension (credit) cost included the following:
 
 
United States
 
International
 
United States
 
International
 
 
Three Months Ended June 30,
 
Six Months Ended June 30,
(In millions)
 
2015
 
2014
 
2015
 
2014
 
2015
 
2014
 
2015
 
2014
Service cost
 
$
—

 
$
—

 
$
0.1

 
$
0.1

 
$
—

 
$
—

 
$
0.2

 
$
0.2

Interest cost
 
0.7

 
0.8

 
0.1

 
0.2

 
1.4

 
1.6

 
0.2

 
0.4

Expected return on plan assets
 
(1.0
)
 
(1.2
)
 
(0.2
)
 
(0.2
)
 
(2.0
)
 
(2.4
)
 
(0.4
)
 
(0.4
)
Amortization of net actuarial loss
 
0.3

 
0.3

 
0.1

 
0.1

 
0.6

 
0.6

 
0.2

 
0.1

Amortization of prior service credit
 
—

 
—

 
—

 
(0.1
)
 
—

 
—

 
—

 
(0.1
)
Net periodic pension (credit) cost
 
$
—

 
$
(0.1
)
 
$
0.1

 
$
0.1

 
$
—

 
$
(0.2
)
 
$
0.2

 
$
0.2

Settlement loss
 
—

 
0.6

 
—

 
—

 
—

 
0.6

 
—

 
—

Curtailment gain
 
—

 
—

 
—

 
—

 
—

 
—

 
—

 
(0.7
)
Total pension (credit) cost
 
$
—

 
$
0.5

 
$
0.1

 
$
0.1

 
$
—

 
$
0.4

 
$
0.2

 
$
(0.5
)