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Pensions and Other Postretirement Benefits (Tables)
 6 Months Ended
Jun. 30, 2012
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]  
Net Periodic Benefit Costs
The components of net periodic benefit cost related to the Company sponsored defined benefit pension and other postretirement benefit plans (OPEB) for our employees are as follows:
 
Three Months Ended June 30
 
Pension Benefits
 
 
 
 
 
U.S. Plans
 
Non U.S. Plans
 
OPEB
 
2012
 
2011
 
2012
 
2011
 
2012
 
2011
 
(in millions of dollars)
Service Cost
$
12.2

 
$
10.7

 
$
1.2

 
$
1.2

 
$
0.4

 
$
0.4

Interest Cost
21.1

 
19.4

 
2.1

 
2.2

 
2.4

 
2.5

Expected Return on Plan Assets
(22.1
)
 
(21.9
)
 
(2.8
)
 
(3.0
)
 
(0.1
)
 
(0.1
)
Amortization of:
 
 
 
 
 
 
 
 
 
 
 
   Net Actuarial Loss
11.4

 
8.0

 
0.2

 
—

 
—

 
—

   Prior Service Credit
(0.2
)
 
(0.2
)
 
—

 
—

 
(0.7
)
 
(0.7
)
Total
$
22.4

 
$
16.0

 
$
0.7

 
$
0.4

 
$
2.0

 
$
2.1

 
Six Months Ended June 30
 
Pension Benefits
 
 
 
 
 
U.S. Plans
 
Non U.S. Plans
 
OPEB
 
2012
 
2011
 
2012
 
2011
 
2012
 
2011
 
(in millions of dollars)
Service Cost
$
24.4

 
$
21.3

 
$
2.4

 
$
2.4

 
$
0.8

 
$
0.9

Interest Cost
42.2

 
38.8

 
4.2

 
4.4

 
4.8

 
5.0

Expected Return on Plan Assets
(44.3
)
 
(43.8
)
 
(5.5
)
 
(6.1
)
 
(0.3
)
 
(0.3
)
Amortization of:
 
 
 
 
 
 
 
 
 
 
 
   Net Actuarial Loss
22.9

 
16.0

 
0.3

 
—

 
—

 
—

   Prior Service Credit
(0.3
)
 
(0.3
)
 
—

 
—

 
(1.3
)
 
(1.3
)
Total
$
44.9

 
$
32.0

 
$
1.4

 
$
0.7

 
$
4.0

 
$
4.3