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Pension and Other Postemployment Benefit Plans
 3 Months Ended
Mar. 31, 2014
Compensation and Retirement Disclosure [Abstract]  
Pension and Other Postretirement Benefit Plans
Pension and Other Postretirement Benefit Plans
The following table presents the components of net periodic expense (benefit) of the Company’s Pension and Other Postretirement plans:
 
Pension Benefits
 
Other Benefits
 
Three Months Ended March 31,
 
Three Months Ended March 31,
(in millions)
2014
 
2013
 
2014
 
2013
Service cost
$
0.3

 
$
0.6

 
$
—

 
$
—

Interest cost
1.7

 
1.7

 
—

 
—

Expected return on plan assets
(2.1
)
 
(2.2
)
 
—

 
—

Amortization of net loss (gain)
0.3

 
0.7

 
—

 
(3.2
)
Amortization of unrecognized prior service (credit)
(0.1
)
 
—

 
—

 
(0.5
)
Net periodic expense (benefit)
$
0.1

 
$
0.8

 
$
—

 
$
(3.7
)

We have a defined contribution retirement plan that covers substantially all U.S. employees. The expense for this plan was $0.2 million and $0.8 million for the three months ended March 31, 2014 and 2013, respectively. All contributions were funded from the proceeds obtained from the reversion of our former salaried pension plan; these funds will be exhausted during 2014.