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SEGMENT INFORMATION (Capital expenditures, depreciation, and amortization expense by segment) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 01, 2022	Oct. 02, 2021	Oct. 03, 2020
Capital expenditures:
Capital expenditures	$ 32,233	$ 22,555	$ 14,514
Depreciation expense:
Depreciation expense	16,376	13,836	12,368
Amortization expense:
Amortization expense	4,917	5,974	7,371
Capital Equipment
Capital expenditures:
Capital expenditures	26,655	15,257	5,798
Depreciation expense:
Depreciation expense	9,152	6,938	6,360
Amortization expense:
Amortization expense	3,873	3,584	4,255
APS
Capital expenditures:
Capital expenditures	5,578	7,298	8,716
Depreciation expense:
Depreciation expense	7,224	6,898	6,008
Amortization expense:
Amortization expense	$ 1,044	$ 2,390	$ 3,116

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- Definition

The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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-Name Accounting Standards Codification
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Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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