Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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Fixed interest rate related to the interest rate derivative.

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The effective interest rate at the end of the reporting period.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Note 7 - Debt (Details Textual) - USD ($)	Sep. 23, 2016	Nov. 25, 2018	Jun. 25, 2018	May 27, 2018	Nov. 01, 2016
Long-term Debt, Total		$ 39,829,000		$ 42,300,000
Debt Issuance Costs, Net, Total		171,000		$ 200,000
Interest Rate Swap [Member] \| BMO [Member]
Derivative, Notional Amount			$ 30,000,000		$ 50,000,000
London Interbank Offered Rate (LIBOR) [Member] \| Interest Rate Swap [Member] \| BMO [Member]
Derivative, Fixed Interest Rate			2.74%		1.22%
Credit Agreement With JPMorgan Chase, BMO Harris Bank, and City National Bank [Member]
Debt Instrument, Additional Borrowing Amount	$ 75,000,000
Debt Issuance Costs, Net, Total	$ 897,000
Credit Agreement With JPMorgan Chase, BMO Harris Bank, and City National Bank [Member] \| Prime Rate [Member] \| Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate	0.25%
Credit Agreement With JPMorgan Chase, BMO Harris Bank, and City National Bank [Member] \| Prime Rate [Member] \| Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate	1.25%
Credit Agreement With JPMorgan Chase, BMO Harris Bank, and City National Bank [Member] \| Eurodollar [Member] \| Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate	1.25%
Credit Agreement With JPMorgan Chase, BMO Harris Bank, and City National Bank [Member] \| Eurodollar [Member] \| Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate	2.25%
Credit Agreement With JPMorgan Chase, BMO Harris Bank, and City National Bank [Member] \| Term Loan [Member]
Long-term Debt, Total	$ 50,000,000
Debt Instrument, Term	5 years
Debt Instrument, Periodic Payment, Total	$ 1,250,000
Debt Issuance Costs, Net, Total	299,000
Credit Agreement With JPMorgan Chase, BMO Harris Bank, and City National Bank [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity	100,000,000
Debt Issuance Costs, Net, Total	$ 598,000
Credit Agreement With JPMorgan Chase, BMO Harris Bank, and City National Bank [Member] \| Revolving Credit Facility [Member] \| Prime Rate [Member]
Long-term Line of Credit, Total		$ 42,000,000
Credit Agreement With JPMorgan Chase, BMO Harris Bank, and City National Bank [Member] \| Revolving Credit Facility [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Line of Credit Facility, Interest Rate at Period End		4.30%