Note 3 Intangibles Assets and Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
Sep. 29, 2018	Sep. 30, 2017	Oct. 01, 2016
Goodwill [Roll Forward]
Goodwill - beginning of year	$ 59,126	$ 59,126
Impairment	(30,610)	0	$ 0
Goodwill - end of year	28,516	59,126	59,126
Finite-lived Intangible Assets [Roll Forward]
Intangible assets - beginning of year	9,218	16,498
Amortization	(6,516)	(7,280)
Intangible assets - end of year	$ 2,702	$ 9,218	$ 16,498

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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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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