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Pension (Tables)
9 Months Ended
Sep. 30, 2012
Table Text Block [Abstract]  
Schedule of Net Benefit Costs [Table Text Block]
  Pension Benefits Other Benefits
  2012 2011 2012 2011
             
Three Months Ended September 30           
Service cost$ 4.1 $ 3.5 $ - $ -
Interest cost  9.3   9.5   0.4   0.4
Expected return on plan assets (10.1)  (10.4)   -   -
Amortization of prior service cost  -   0.1   -   -
Amortization of actuarial losses/(gains)  4.8   2.1   (0.3)   (0.2)
Net periodic benefit cost$ 8.1 $ 4.8 $ 0.1 $ 0.2
            
Nine Months Ended September 30           
Service cost$ 12.2 $ 10.5 $ - $ -
Interest cost  27.4   28.6   1.1   1.2
Expected return on plan assets  (30.0)   (31.4)   -   -
Amortization of prior service cost  0.1   0.3   -   -
Amortization of actuarial losses/(gains)  13.1   6.2   (0.8)   (0.6)
Net periodic benefit cost$ 22.8 $ 14.2 $ 0.3 $ 0.6