XML 41 R11.htm IDEA: XBRL DOCUMENT v2.4.0.8
Employee Benefits
6 Months Ended
Jun. 30, 2013
Compensation and Retirement Disclosure [Abstract]  
Employee Benefits
Employee Benefits

The following table presents the components of our company-sponsored pension costs for the three and six months ended June 30:
 
 
Three Months
 
Six Months
(in millions)
2013
 
2012
 
2013
 
2012
Service cost
$
1.0

 
$
1.0

 
$
2.1

 
$
1.9

Interest cost
14.1

 
14.8

 
28.1

 
29.7

Expected return on plan assets
(13.9
)
 
(11.6
)
 
(27.8
)
 
(23.2
)
Amortization of net loss
3.7

 
2.9

 
7.4

 
5.8

Total periodic pension cost
$
4.9

 
$
7.1

 
$
9.8

 
$
14.2



We expect to contribute $62.6 million to our company-sponsored pension plans in 2013 of which we have contributed $26.0 million through June 30, 2013.