Note 7 - Long-Term Debt (Details) (USD $)	6 Months Ended			6 Months Ended			3 Months Ended		6 Months Ended				6 Months Ended
	Mar. 29, 2014	Mar. 30, 2013	Sep. 28, 2013	Mar. 29, 2014 Prime Rate [Member] Revolving Credit Facility [Member]	Mar. 29, 2014 Base Rate [Member] Revolving Credit Facility [Member]	Mar. 29, 2014 London Interbank Offered Rate (LIBOR) [Member] Revolving Credit Facility [Member]	Mar. 29, 2014 Revolving Credit Facility [Member]	Mar. 30, 2013 Revolving Credit Facility [Member]	Mar. 29, 2014 Revolving Credit Facility [Member]	Feb. 06, 2012 Revolving Credit Facility [Member]	Feb. 05, 2012 Revolving Credit Facility [Member]	Mar. 29, 2014 Letter of Credit [Member]	Mar. 29, 2014 Minimum [Member] Base Rate [Member] Revolving Credit Facility [Member]	Mar. 29, 2014 Minimum [Member] London Interbank Offered Rate (LIBOR) [Member] Revolving Credit Facility [Member]	Mar. 29, 2014 Maximum [Member] Base Rate [Member] Revolving Credit Facility [Member]	Mar. 29, 2014 Maximum [Member] London Interbank Offered Rate (LIBOR) [Member] Revolving Credit Facility [Member]
Note 7 - Long-Term Debt (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity										$ 100,000,000	$ 75,000,000
Line of Credit Facility, Current Borrowing Capacity							100,000,000		100,000,000
Line of Credit Facility, Amount Outstanding							0		0
Line of Credit Facility, Remaining Borrowing Capacity							81,300,000		81,300,000
Letters of Credit Outstanding, Amount												1,500,000
Debt Instrument, Basis Spread on Variable Rate				0.50%									0.50%	1.50%	1.25%	2.50%
Debt Instrument, Interest Rate, Increase (Decrease)									2.00%
Line of Credit Facility, Interest Rate at Period End					0.50%	1.50%
Fixed Charge Coverage Ratio									1.10
Credit Facility Liquidity Amount									13,500,000
Amortization of Financing Costs	51,000	51,000					25,000	3	51,000
Accumulated Amortization, Deferred Finance Costs	$ 4,300,000		$ 4,300,000