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Retirement Plans (Tables)
 3 Months Ended
Mar. 31, 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
 
 
Three Months Ended March 31,
(In millions)
 
2015
 
2014
 
2015
 
2014
Service cost
 
$
—

 
$
—

 
$
0.1

 
$
0.1

Interest cost
 
0.7

 
0.8

 
0.1

 
0.2

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

 
0.3

 
0.1

 
—

Net periodic pension (credit) cost
 
$
—

 
$
(0.1
)
 
$
0.1

 
$
0.1

Curtailment gain
 
—

 
—

 
—

 
(0.7
)
Total pension (credit) cost
 
$
—

 
$
(0.1
)
 
$
0.1

 
$
(0.6
)