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Note 11 - Income Taxes (Details Textual) - USD ($) | 3 Months Ended |  |
--- | --- | --- | ---
Dec. 24, 2017 | Sep. 29, 2019 | Sep. 30, 2018
Tax Cuts and Jobs Act, Change in Tax Rate, Income Tax Expense (Benefit), Total | $ (24,872,000) |  |
Unrecognized Tax Benefits that Would Impact Effective Tax Rate |  | $ 14,019,000 |
Unrecognized Tax Benefits, Interest on Income Taxes Accrued |  | 848,000 | $ 563,000
Deferred Tax Asset, Interest Carryforward |  | 4,255,000 |
Deferred Tax Assets, Operating Loss Carryforwards, Total |  | 41,610,000 | 41,663,000
State and Local Jurisdiction [Member] |  |  |
Unrecognized Tax Benefits Related to Net Operating Loss |  | 10,665,000 | $ 10,312,000
Operating Loss Carryforwards, Total |  | 63,338,000 |
Deferred Tax Assets, Operating Loss Carryforwards, Total |  | 50,037,000 |
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] |  |  |
Operating Loss Carryforwards, Total |  | $ 0 |

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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible interest carryforward. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32621-109319 + Details
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319 + Details
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- Definition Amount of income tax expense (benefit) for remeasurement of deferred tax from change in tax rate pursuant to Tax Cuts and Jobs Act. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 + Details
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