Composition Of Certain Financial Statement Captions (Schedule Of Inventories) (Details) - USD ($) $ in Thousands	Jun. 28, 2019	Sep. 28, 2018
Composition Of Certain Financial Statement Captions [Abstract]
Raw materials	$ 9,338	$ 6,095
Work in process	3,607	4,044
Finished goods	25,963	16,067
Inventories	$ 38,908	$ 26,206

Composition Of Certain Financial Statement Captions [Abstract]

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.6(a)(1))
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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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-Publisher FASB
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-SubTopic 10
-Section 45
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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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