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Benefit Plans
6 Months Ended
Jun. 30, 2011
Benefit Plans [Abstract]  
Benefit Plans
Note 11:  Benefit Plans

The components of net periodic benefit cost for the three months ended June 30 were as follows ($ in millions):
 
   
Pension benefits
  
Other retirement benefits
  
Total
 
   
2011
  
2010
  
2011
  
2010
  
2011
  
2010
 
Service cost
 $2.4  $2.2  $0.3  $0.3  $2.7  $2.5 
Interest cost
  4.4   3.8   0.2   0.2   4.6   4.0 
Expected return on assets
  (4.5)  (3.5)  -   -   (4.5)  (3.5)
Amortization of prior service credit
  (0.4)  (0.3)  -   -   (0.4)  (0.3)
Recognized actuarial losses
  1.4   1.3   -   -   1.4   1.3 
Net periodic benefit cost
 $3.3  $3.5  $0.5  $0.5  $3.8  $4.0 

   
Pension benefits
  
Other retirement benefits
  
Total
 
   
2011
  
2010
  
2011
  
2010
  
2011
  
2010
 
U.S. plans
 $2.7  $3.1  $0.5  $0.5  $3.2  $3.6 
International plans
  0.6   0.4   -   -   0.6   0.4 
Net periodic benefit cost
 $3.3  $3.5  $0.5  $0.5  $3.8  $4.0 

The components of net periodic benefit cost for the six months ended June 30 were as follows ($ in millions):

   
Pension benefits
  
Other retirement benefits
  
Total
 
   
2011
  
2010
  
2011
  
2010
  
2011
  
2010
 
Service cost
 $4.8  $4.5  $0.6  $0.5  $5.4  $5.0 
Interest cost
  7.9   7.6   0.5   0.5   8.4   8.1 
Expected return on assets
  (7.9)  (7.0)  -   -   (7.9)  (7.0)
Amortization of transition obligation
  0.1   -   -   -   0.1   - 
Amortization of prior service credit
  (0.8)  (0.6)  -   -   (0.8)  (0.6)
Recognized actuarial losses
  2.8   2.6   -   -   2.8   2.6 
Net periodic benefit cost
 $6.9  $7.1  $1.1  $1.0  $8.0  $8.1 
 

 
   
Pension benefits
  
Other retirement benefits
  
Total
 
   
2011
  
2010
  
2011
  
2010
  
2011
  
2010
 
U.S. plans
 $5.4  $6.2  $1.1  $1.0  $6.5  $7.2 
International plans
  1.5   0.9   -   -   1.5   0.9 
Net periodic benefit cost
 $6.9  $7.1  $1.1  $1.0  $8.0  $8.1