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Retirement Benefits
 9 Months Ended
Sep. 30, 2014
Compensation and Retirement Disclosure [Abstract]  
Retirement Benefits
Retirement Benefits

The following table presents the components of net periodic pension cost and amounts recognized in other comprehensive income (loss) for our pension plans:
 
 
Three Months Ended
 
Nine Months Ended
 
 
September 30,
 
September 30,
(in millions)
 
2014
 
2013
 
2014
 
2013
Components of net periodic pension cost:
 
 
 
 
 
 
 
 
Service cost
 
$
0.4

 
$
0.4

 
$
1.1

 
$
1.3

Interest cost
 
0.8

 
0.5

 
1.9

 
1.5

Expected return on plan assets
 
(0.8
)
 
(0.6
)
 
(2.1
)
 
(1.8
)
Amortization of actuarial losses(a)
 
0.1

 
0.3

 
0.3

 
0.8

Net periodic pension cost
 
$
0.5

 
$
0.6

 
$
1.2

 
$
1.8


(a)
Reflects amounts reclassified from accumulated other comprehensive income (loss) to net income.

In the nine months ended September 30, 2014, we contributed $1.9 million to our pension plans. In 2014, we expect to contribute approximately $2.0 million to our pension plans.