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Fair value of long-term debt (Tables)
3 Months Ended
Jan. 31, 2013
Fair Value Of Long-Term Debt Tables  
Schedule of estimated fair value and carrying value of long-term debt
   January 31,   October 31, 
($ In Millions)  2013   2012 
         
Fair Value  $228.2   $213.2 
           
Carrying Value  $219.3   $200.4