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Pension (Tables)
9 Months Ended
Sep. 30, 2011
Table Text Block [Abstract] 
Schedule of Net Benefit Costs [Table Text Block]
  Pension Benefits Other Benefits
  2011 2010 2011 2010
             
Three Months Ended September 30           
Service cost$ 3.5 $ 3.0 $ - $ 0.1
Interest cost  9.5   9.4   0.4   0.5
Expected return on plan assets  (10.4)   (10.4)   -   -
Amortization of prior service cost  0.1   0.1   -   -
Amortization of actuarial losses/(gains)  2.1   1.3   (0.2)   (0.1)
Net periodic benefit cost$ 4.8 $ 3.4 $ 0.2 $ 0.5
            
Nine Months Ended September 30           
Service cost$ 10.5 $ 9.1 $ - $ 0.2
Interest cost  28.6   28.1   1.2   1.6
Expected return on plan assets  (31.4)   (31.3)   -   -
Amortization of prior service cost  0.3   0.2   -   -
Amortization of actuarial losses/(gains)  6.2   3.8   (0.6)   (0.2)
Net periodic benefit cost$ 14.2 $ 9.9 $ 0.6 $ 1.6