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Employee Benefits (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Jul. 31, 2012
Jul. 31, 2011
Jul. 31, 2012
Jul. 31, 2011
General Discussion of Pension and Other Postretirement Benefits [Abstract]        
Company's contribution to the pension plan $ 1.2 $ 1.2 $ 3.4 $ 3.2
Expected additional contribution in fiscal 2012 $ 1.8   $ 1.8  
Expected rate of return on plan assets for determining net periodic pension cost     8.50%