Debt (Narrative) (Details) - USD ($)			9 Months Ended
	Aug. 01, 2017	Apr. 04, 2016	Oct. 31, 2017	Jul. 31, 2017	Jun. 30, 2017	Mar. 13, 2017	Oct. 26, 2016	Oct. 25, 2016
Line of Credit Facility [Line Items]
Purchase Agreement, Non-binding Commitment	$ 7,200,000
Purchase Agreement, Non-binding Commitment, Down Payment	20.00%
Purchase Agreement, Non-binding Commitment, Seller Financed Portion	$ 5,760,000
Purchase Agreement, Non-binding Commitment, Financing Period	20 years
Purchase Agreement, Non-binding Commitment, Financing, Interest Rate	4.00%
Line of Credit Facility, Interest Rate at Period End			4.75%
Company restriction from issuing dividends or making payments with respect to the Company's Capital Stock to it's annual limit			$ 1,300,000
Provision to reduce borrowings under the line		$ 6,000,000
Provision to reduce borrowings under the line, period		30 days
Depreciation Expense, Decrease Per Year	$ 300,000
Debt Service Payment, Amount Less than Current Depreciation Per Year	$ 300,000
PNC [Member] | Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Remaining borrowing capacity			$ 12,009,000
Revolving advances				$ 11,000,000	$ 14,000,000
PNC [Member] | Revolving Credit Facility [Member] | Amendment No. 7 To The Credit Agreement [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity							$ 49,500,000	$ 49,750,000
Line of Credit Facility, Capacity Available for Equipment Financing						$ 2,500,000
Eurodollar [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
Revolving credit facility bears interest range of			1.50%
Eurodollar [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
Revolving credit facility bears interest range of			2.50%
Alternate Base Rate Loans [Member] | London Interbank Offered Rate LIBOR [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
Revolving credit facility bears interest range of			0.50%
Alternate Base Rate Loans [Member] | London Interbank Offered Rate LIBOR [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
Revolving credit facility bears interest range of			1.50%