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Employee Benefit Plans
9 Months Ended
Sep. 30, 2011
Employee Benefit Plans [Abstract] 
Pension and Other Postretirement Benefits Disclosure [Text Block]
EMPLOYEE BENEFIT PLANS

The components of net periodic benefit cost are as follows:
 
 
Pension Benefits
 
 
Three Months Ended
 
Nine Months Ended
 
 
September 30,
 
September 30,
 
 
2011
 
2010
 
2011
 
2010
 
 
(in millions)
 
 
 
 
 
 
 
 
 
Service cost
 
$
1.2

 
$
1.2

 
$
3.4

 
$
3.7

Interest cost
 
9.2

 
9.3

 
27.6

 
27.8

Expected asset return
 
(7.9
)
 
(8.0
)
 
(23.7
)
 
(24.0
)
Amortized loss
 
1.1

 
0.6

 
3.3

 
1.8

Net periodic benefit cost
 
$
3.6

 
$
3.1

 
$
10.6

 
$
9.3

 
 
 
 
 
Other Postretirement Benefits
 
 
Three Months Ended
 
Nine Months Ended
 
 
September 30,
 
September 30,
 
 
2011
 
2010
 
2011
 
2010
 
 
(in millions)
 
 
 

 
 

 
 

 
 

Service cost
 
$
0.2

 
$
0.2

 
$
0.6

 
$
0.7

Interest cost
 
4.3

 
4.1

 
12.9

 
12.1

Amortized loss (gain)
 
0.1

 
(0.3
)
 
0.3

 
(1.0
)
Amortized prior service credit
 
(0.8
)
 
(0.8
)
 
(2.4
)
 
(2.3
)
Net periodic benefit cost
 
$
3.8

 
$
3.2

 
$
11.4

 
$
9.5

We contributed $26.2 million to our pension trusts in the first nine months of 2011, which represents all of our 2011 pension funding requirements. We expect our cash outlay for other postretirement benefit obligations in 2011, net of GM cost sharing, to be approximately $15 million.