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Long-Term Debt And Note Payable To Bank (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Jan. 31, 2013
Oct. 31, 2012
Debt instrument, description of variable rate basis Advances under the Commercial Loan accrue interest at the greater of (x) LIBOR plus 2.0%, or (y) 3.0%  
Credit Facilities [Member]
   
Debt instrument, interest rate, stated percentage 4.25%  
Commercial Loan [Member]
   
Line of credit facility, amount outstanding $ 2.0 $ 1.0
Line of credit facility, remaining borrowing capacity 4.0 5.0
Debt instrument, maturity date May 31, 2014  
Line of credit facility, maximum amount outstanding during period $ 6.0  
Debt instrument, interest rate, stated percentage rate range, maximum 3.00%  
Commercial Loan [Member] | Minimum [Member]
   
Debt instrument, basis spread on variable rate 2.00%  
Certain Receivables [Member]
   
Line of credit facility, maximum borrowing capacity, percentage of related category used for calculation 85.00%