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Note 10 (Details Textual)	3 Months Ended		9 Months Ended
	Jun. 26, 2021 USD ($)	Jun. 27, 2020 USD ($)	Jun. 26, 2021 USD ($)	Jun. 27, 2020 USD ($)
Number of Reportable Segments			3
Amortization of Intangible Assets, Total	$ 639,000	$ 831,000	$ 2,096,000	$ 2,507,000
Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year	2,500,000		2,500,000
Finite-Lived Intangible Asset, Expected Amortization, Year One	2,300,000		2,300,000
Finite-Lived Intangible Asset, Expected Amortization, Year Two	2,300,000		2,300,000
Finite-Lived Intangible Asset, Expected Amortization, Year Three	2,000,000		2,000,000
Finite-Lived Intangible Asset, Expected Amortization, Year Four	$ 1,400,000		$ 1,400,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)			10 years 10 months 24 days
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)			2 years
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)			20 years

X

- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in remainder of current fiscal year.

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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