OMNICOM GROUP INC. | 2013 | FY | 3

At December 31, 2013 and 2012, the benefit obligation, fair value of plan assets and the funded status of our defined benefit pension plans were (in millions):
 
2013
 
2012
Benefit Obligation
 
 
 
Benefit obligation January 1
$
188.4

 
$
146.3

Service cost
4.6

 
6.6

Interest cost
7.3

 
7.6

Amendments, curtailments and settlements
7.6

 
—

Actuarial (gains) losses
(18.0
)
 
30.5

Benefits paid
(5.1
)
 
(4.7
)
Foreign currency translation and other
0.9

 
2.1

Benefit obligation December 31
$
185.7

 
$
188.4

Fair Value of Plan Assets
 
 
 
Fair value of assets January 1
$
62.7

 
$
50.5

Actual return on plan assets
8.1

 
6.5

Employer contributions
5.5

 
9.1

Benefits paid
(5.1
)
 
(4.7
)
Foreign currency translation and other
1.0

 
1.3

Fair value of plan assets December 31
$
72.2

 
$
62.7

 
 
 
 
Funded Status December 31
$
(113.5
)
 
$
(125.7
)

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