Note 7 - Long-Term Debt (Details) (USD $)	9 Months Ended			9 Months Ended		9 Months Ended			9 Months Ended		3 Months Ended		6 Months Ended	9 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Sep. 28, 2013	Jun. 28, 2014 Revolving Credit Facility [Member] Prime Rate [Member]	Jun. 28, 2014 Revolving Credit Facility [Member] Base Rate [Member]	Jun. 28, 2014 Revolving Credit Facility [Member] Base Rate [Member] Minimum [Member]	Jun. 28, 2014 Revolving Credit Facility [Member] Base Rate [Member] Maximum [Member]	Jun. 28, 2014 Revolving Credit Facility [Member] London Interbank Offered Rate (LIBOR) [Member]	Jun. 28, 2014 Revolving Credit Facility [Member] London Interbank Offered Rate (LIBOR) [Member] Minimum [Member]	Jun. 28, 2014 Revolving Credit Facility [Member] London Interbank Offered Rate (LIBOR) [Member] Maximum [Member]	Jun. 28, 2014 Revolving Credit Facility [Member]	Jun. 29, 2013 Revolving Credit Facility [Member]	Mar. 29, 2014 Revolving Credit Facility [Member]	Jun. 28, 2014 Revolving Credit Facility [Member]	Jun. 29, 2013 Revolving Credit Facility [Member]	Feb. 06, 2012 Revolving Credit Facility [Member]	Feb. 05, 2012 Revolving Credit Facility [Member]	Jun. 28, 2014 Letter of Credit [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
Long-term Line of Credit											0			0
Line of Credit Facility, Remaining Borrowing Capacity											91,200,000			91,200,000
Letters of Credit Outstanding, Amount																		1,500,000
Debt Instrument, Basis Spread on Variable Rate				0.50%		0.50%	1.25%		1.50%	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	77,000	77,000									26,000	26,000		77,000	77,000
Accumulated Amortization, Deferred Finance Costs	$ 4,300,000		$ 4,400,000