Note 11 - Employee Benefit Plans (Detail) - Projected Benefit Obligation Reconciliation (USD $) In Thousands, unless otherwise specified	12 Months Ended
Sep. 29, 2012	Oct. 01, 2011	Oct. 02, 2010
Distributions	$ (244)	$ (244)	$ (166)
Fair value of plan assets at end of year	1,739	1,660
Total recognized in other comprehensive income (loss)	(426)	294	211
Fair value of plan assets at beginning of year	1,660
Delaware Plan [Member] \| Change In Benefit Obligation [Member]
Settlement	(218)	(1,423)
Distributions	(196)	(194)	(402)
Delaware Plan [Member] \| Change In Plan Assets [Member]
Settlement	(218)	(1,651)
Distributions	(196)	(193)	(402)
Delaware Plan [Member]
Benefit obligation at beginning of year	3,231	4,280	4,289
Amendments		306
Interest cost	146	193	211
Actuarial loss	218	69	182
Fair value of plan assets at end of year	1,739	1,660	3,017
Funded status	(1,442)	(1,571)	(1,263)
Accrued benefit liability	(1,442)	(1,571)	(1,263)
Accumulated other comprehensive loss (net of tax)	859	909	1,225
Net amount recognized	(583)	(662)	(38)
Unrecognized net loss	1,386	1,466	1,975
Net amount recognized other comprehensive income	1,386	1,466	1,975
Net loss (gain)	(31)	(206)	16
Amortization of net loss	(49)	(304)	(195)
Total recognized in other comprehensive income (loss)	(80)	(510)	(179)
Benefit obligation at end of year	3,181	3,231	4,280
Fair value of plan assets at beginning of year	1,660	3,017	3,053
Actual return on plan assets	287	10	366
Employer contributions	206	477
SERP [Member]
Benefit obligation at beginning of year	6,102	5,590	5,218
Service cost	217	176	165
Interest cost	301	282	278
Actuarial loss	1,085	297	95
Distributions	(244)	(243)	(166)
Funded status	(7,461)	(6,102)	(5,590)
Unrecognized net loss	2,324	1,330	1,067
Unrecognized prior service cost	227	454	681
Net amount recognized other comprehensive income	2,551	1,784	1,748
Net loss (gain)	1,085	297	95
Prior service costs	(227)	(227)	(227)
Amortization of net loss	(91)	(34)	(30)
Total recognized in other comprehensive income (loss)	767	36	(162)
Benefit obligation at end of year	7,461	6,102	5,590
Employer contributions	$ 244	$ 244	$ 166

The pretax total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost.

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After tax total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s).

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Amount related to the pretax cost of benefit changes attributable to plan participants' prior service pursuant to a plan amendment or a plan initiation, which has not yet been recognized as components of net periodic benefit cost.

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The difference between fair value of plan assets at the end of the period and the fair value at the beginning of the period, adjusted for contributions and payments of benefits during the period, and after adjusting for taxes and other expenses, as applicable.

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Amount of gain (loss) from a decision to temporarily deviate from the substantive plan, or from a change in benefit obligation or plan asset value from changes in actuarial assumptions, for example, but not limited to, interest, mortality, employee turnover or salary scale.

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Before tax amount, net of reclassification adjustments, of the benefit improvement costs resulting from a plan amendment that occurred that has not been recognized in net periodic benefit cost.

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The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan.

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The amount of decrease that relates to an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement. Examples of transactions that constitute a settlement include (a) making lump-sum cash payments to plan participants in exchange for their rights to receive specified benefits and (b) purchasing nonparticipating annuity contracts.

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Net of tax amount of the (increase) decrease in the value of the projected benefit obligation and the increase (decrease) in the value of the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption that has not been recognized in net periodic benefit cost.

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Net of tax and reclassifications amount of pension and other postretirement benefit plans (gain) loss included in accumulated other comprehensive income (loss).

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Net of tax amount of the income statement impact of the reclassification adjustment for actuarial (gains) losses recognized as a component of net periodic benefit cost.

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For a classified balance sheet, the amount recognized in balance sheet as a current liability associated with an underfunded defined benefit plan.

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