Note 11 - Employee Benefit Plans (Detail) - Plan Assets Fair Value (USD $) In Thousands, unless otherwise specified	Sep. 29, 2012	Oct. 01, 2011
Plan Assets Held	$ 1,739	$ 1,660
Large Cap Equities [Member] | Fair Value, Inputs, Level 1 [Member]
Plan Assets Held	684	641
Large Cap Equities [Member] | Fair Value, Inputs, Level 2 [Member]
Plan Assets Held	0
Large Cap Equities [Member] | Fair Value, Inputs, Level 3 [Member]
Plan Assets Held	0
Large Cap Equities [Member]
Plan Assets Held	684	641
Mid Cap Equities [Member] | Fair Value, Inputs, Level 1 [Member]
Plan Assets Held	155	151
Mid Cap Equities [Member] | Fair Value, Inputs, Level 2 [Member]
Plan Assets Held	0	0
Mid Cap Equities [Member] | Fair Value, Inputs, Level 3 [Member]
Plan Assets Held	0	0
Mid Cap Equities [Member]
Plan Assets Held	155	151
Small Cap Equities [Member] | Fair Value, Inputs, Level 1 [Member]
Plan Assets Held	98	101
Small Cap Equities [Member] | Fair Value, Inputs, Level 2 [Member]
Plan Assets Held	0	0
Small Cap Equities [Member] | Fair Value, Inputs, Level 3 [Member]
Plan Assets Held	0	0
Small Cap Equities [Member]
Plan Assets Held	98	101
International Equities [Member] | Fair Value, Inputs, Level 1 [Member]
Plan Assets Held	103	100
International Equities [Member] | Fair Value, Inputs, Level 2 [Member]
Plan Assets Held	0	0
International Equities [Member] | Fair Value, Inputs, Level 3 [Member]
Plan Assets Held	0	0
International Equities [Member]
Plan Assets Held	103	100
Fixed Income Funds [Member] | Fair Value, Inputs, Level 1 [Member]
Plan Assets Held	646	652
Fixed Income Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Plan Assets Held	0	0
Fixed Income Funds [Member] | Fair Value, Inputs, Level 3 [Member]
Plan Assets Held	0	0
Fixed Income Funds [Member]
Plan Assets Held	646	652
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 2 [Member]
Plan Assets Held	53	15
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 3 [Member]
Plan Assets Held	0
Cash and Cash Equivalents [Member]
Plan Assets Held	53	15
Fair Value, Inputs, Level 1 [Member]
Plan Assets Held	1,686	1,645
Fair Value, Inputs, Level 2 [Member]
Plan Assets Held	53	15
Fair Value, Inputs, Level 3 [Member]
Plan Assets Held	$ 0