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Employee Benefit Plans
 3 Months Ended
Mar. 31, 2012
Employee Benefit Plans [Abstract]  
Pension and Other Postretirement Benefits Disclosure [Text Block]
7. EMPLOYEE BENEFIT PLANS

The components of net periodic benefit cost are as follows:

 
 
Pension Benefits
 
 
Three Months Ended
 
 
March 31,
 
 
2012
 
2011
 
 
(in millions)
 
 
 
 
 
Service cost
 
$
0.8

 
$
1.1

Interest cost
 
8.8

 
9.2

Expected asset return
 
(8.0
)
 
(7.9
)
Amortized loss
 
1.8

 
1.1

Net periodic benefit cost
 
$
3.4

 
$
3.5

 
 
 
 
 
Other Postretirement Benefits
 
 
Three Months Ended
 
 
March 31,
 
 
2012
 
2011
 
 
(in millions)
 
 
 

 
 

Service cost
 
$
0.1

 
$
0.2

Interest cost
 
3.9

 
4.3

Amortized loss
 
0.2

 
0.1

Amortized prior service credit
 
(0.5
)
 
(0.8
)
Curtailment gain
 
(21.8
)
 
—

Net periodic benefit cost (credit)
 
$
(18.1
)
 
$
3.8



We recorded a gain of $21.8 million to cost of goods sold for the curtailment of certain other postretirement benefits (OPEB) in the three months ended March 31, 2012. This resulted primarily from the reduction in the expected future OPEB related to the DMC and CKMF hourly associates who have terminated employment from AAM as a result of our plant closures. These curtailment gains resulted in an increase in our accumulated other comprehensive loss of $21.8 million.

Our regulatory pension funding requirements in 2012 are approximately $35 million. We expect our cash outlay for other postretirement benefit obligations in 2012, net of GM cost sharing, to be approximately $16 million.