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Employee Benefits (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Apr. 30, 2014
Apr. 30, 2013
Apr. 30, 2014
Apr. 30, 2013
General Discussion of Pension and Other Postretirement Benefits [Abstract]        
Company's contribution to the pension plan $ 3.4 $ 3.0 $ 4.5 $ 3.4
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year     $ 4.3  
Expected rate of return on plan assets for determining net periodic pension cost     8.00%