Financing Arrangements (Details) (USD $)	0 Months Ended	3 Months Ended
	Feb. 02, 2012	Jan. 31, 2013	Jan. 31, 2012	Oct. 31, 2012	Jul. 31, 2012	Apr. 19, 2011 Amended Credit Agreement [Member]	Jan. 31, 2013 Second Amendment [Member]	Jan. 31, 2012 Revolving Credit Facility [Member]	Jan. 31, 2013 Revolving Credit Facility [Member] Second Amendment [Member]	Dec. 26, 2012 Revolving Credit Facility [Member] Second Amendment [Member]	Jul. 31, 2012 Notes Payable, Other Payables [Member]	Jan. 31, 2013 London Interbank Offered Rate [Member] Minimum [Member]	Jan. 31, 2013 London Interbank Offered Rate [Member] Maximum [Member]	Jan. 31, 2013 Lender's Base Rate [Member] Minimum [Member]	Jan. 31, 2013 Effective April 1, 2013 [Member] London Interbank Offered Rate [Member] Minimum [Member]	Jan. 31, 2013 Effective April 1, 2013 [Member] London Interbank Offered Rate [Member] Maximum [Member]	Jan. 31, 2013 Effective April 1, 2013 [Member] Lender's Base Rate [Member] Minimum [Member]	Jan. 31, 2013 Effective April 1, 2013 [Member] Lender's Base Rate [Member] Maximum [Member]
Debt Instrument [Line Items]
Credit Agreement Interest Rate:		1.76%	2.87%
Credit Agreement - interest at 1.76% at January 31, 2013 and 2.87% at October 31, 2012		$ 95,700,000		$ 21,150,000
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums, Consumer		(224,000)		(447,000)
Debt, Long-term and Short-term, Combined Amount		95,924,000		21,597,000			95,700,000
Debt, Current		224,000		447,000
Long-term Debt		95,700,000		21,150,000
Debt Instrument, Interest Rate During Period		1.91%	2.82%
Document Period End Date		Jan. 31, 2013
Line of Credit Facility, Maximum Borrowing Capacity						80,000,000		80,000,000		120,000,000
Line of Credit Increase Maximum						120,000,000				200,000,000
Debt Instrument, Basis Spread on Variable Rate												1.50%	2.50%	0.00%	1.50%	2.50%	0.00%	1.00%
Line of Credit Facility, Covenant, Leverage Ratio, Minimum									2.25
Line of Credit Facility, Covenant, Leverage Ratio, Maximum									2.85
Line of Credit Facility, Covenant, Fixed Charge Ratio, Minimum									2
Determination by the Admin Agent of the Lending Syndicate					51.00%
Dividends Payable, Date Declared	Feb. 01, 2012
Debt Instrument, Interest Rate, Stated Percentage											2.53%
Letters of Credit Outstanding, Amount		1,748,000
Line of Credit Facility, Remaining Borrowing Capacity		22,552,000
Collateral Agreement					65.00%
Debt Instrument, Periodic Payment		$ 75,000