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Pension And Other Postretirement Benefits (Tables)
 6 Months Ended
Jun. 30, 2012
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]  
Components Of Net Periodic Benefit Cost
 
Pension Benefits
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2012
 
2011
 
2012
 
2011
(In millions)
U.S.    
 
Int’l    
 
U.S.    
 
Int’l    
 
U.S.    
 
Int’l    
 
U.S.    
 
Int’l    
Service cost
$
3.6

 
$
9.2

 
$
2.8

 
$
7.7

 
$
7.3

 
$
18.6

 
$
6.0

 
$
14.9

Interest cost
6.9

 
5.3

 
6.6

 
5.2

 
13.4

 
10.7

 
13.1

 
10.2

Expected return on plan assets
(10.0
)
 
(6.5
)
 
(9.7
)
 
(6.3
)
 
(19.9
)
 
(13.1
)
 
(19.0
)
 
(12.4
)
Amortization of transition asset
—

 
—

 
—

 
(0.2
)
 
—

 
(0.1
)
 
—

 
(0.3
)
Amortization of actuarial losses, net
6.4

 
2.0

 
3.5

 
1.3

 
11.8

 
4.0

 
6.5

 
2.5

Net periodic benefit cost
$
6.9

 
$
10.0

 
$
3.2

 
$
7.7

 
$
12.6

 
$
20.1

 
$
6.6

 
$
14.9

 
 
Other Postretirement Benefits
 
Three Months Ended June 30,
 
Six Months Ended June 30,
(In millions)
2012
 
2011
 
2012
 
2011
Service cost
$
0.1

 
$
—

 
$
0.1

 
$
0.1

Interest cost
0.1

 
0.1

 
0.2

 
0.2

Amortization of prior service benefit
(0.3
)
 
(0.3
)
 
(0.6
)
 
(0.6
)
Amortization of actuarial gains, net
(0.1
)
 
—

 
(0.1
)
 
(0.1
)
Net periodic benefit cost
$
(0.2
)
 
$
(0.2
)
 
$
(0.4
)
 
$
(0.4
)