Financing Arrangements (Details) (USD $)	0 Months Ended	9 Months Ended						9 Months Ended
	Feb. 01, 2012	Jul. 31, 2012	Jul. 31, 2011	Oct. 31, 2011	Jul. 31, 2012 Revolving Credit Facility [Member]	Jan. 31, 2012 Revolving Credit Facility [Member]	Apr. 19, 2011 Revolving Credit Facility [Member]	Jul. 31, 2012 Minimum [Member] Revolving Credit Facility [Member]	Jul. 31, 2012 Maximum [Member] Revolving Credit Facility [Member]	Jul. 31, 2012 Notes Payable, Other Payables [Member]	Jul. 31, 2012 Lender's Base Rate [Member]	Jul. 31, 2012 Eurodollar [Member]
Debt Instrument [Line Items]
Credit Agreement Interest Rate:		2.79%		2.79%							4.25%	2.75%
Debt Instrument, Interest Rate During Period		2.81%	3.01%
Credit Agreement - interest at 2.79% for both periods endings July 31, 2012 and October 31, 2011		$ 26,700,000		$ 25,700,000
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums, Consumer		669,000		428,000
Debt, Long-term and Short-term, Combined Amount		27,369,000		26,128,000
Debt, Current		669,000		428,000
Long-term Debt		26,700,000		25,700,000
Line of Credit Facility, Maximum Borrowing Capacity						80,000,000	80,000,000
Dividends Payable, Date Declared	Feb. 01, 2012
Line of Credit Increase Maximum							120,000,000
Line of Credit Facility, Commitment Fee Percentage								0.375%	0.75%
Debt Instrument, Interest Rate, Stated Percentage										2.53%
Debt Instrument, Covenant, Leverage Ratio, Maximum					2.25
Debt Instrument, Covenant, Fixed Charge Ratio, Minimum					2.50
Determination by the Admin Agent of the Lending Syndicate		51.00%
Letters of Credit Outstanding, Amount		1,748,000
Line of Credit Facility, Remaining Borrowing Capacity		51,552,000
Collateral Agreement		65.00%
Debt Instrument, Periodic Payment		$ 75,000