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Note 3 - Revenue Recognition (Tables) | 6 Months Ended
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Mar. 29, 2025
Notes Tables |
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] |
|  | Three months ended |  |  | Six months ended |
|  | March 29, |  |  | March 30, |  |  | March 29, |  |  | March 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
|  | (in thousands) |  |  | (in thousands) |
Beginning balance |  | $ | 4,427 |  |  | $ | 4,767 |  |  | $ | 4,798 |  |  | $ | 4,926 |
Additions to contract liability |  |  | 1,924 |  |  |  | 1,527 |  |  |  | 3,407 |  |  |  | 2,917 |
Amounts recognized as revenue |  |  | (1,947 | ) |  |  | (1,465 | ) |  |  | (3,801 | ) |  |  | (3,014 | )
Ending balance |  | $ | 4,404 |  |  | $ | 4,829 |  |  | $ | 4,404 |  |  | $ | 4,829 |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 + Details
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Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration