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Property, Plant and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 02, 2021	Oct. 03, 2020	Sep. 28, 2019
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 198,620	$ 186,440
Accumulated depreciation and amortization	(98,290)	(88,925)
Operating lease, right-of-use assets	5,152	5,857
Property, plant and equipment, net	105,482	103,372
Depreciation	9,800	10,100	$ 7,300
Capitalized interest expense related to construction of plant manufacturing assets	800
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	2,504	2,164
Buildings
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	47,307	46,509
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	101,836	100,112
Office furniture, equipment and other
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	2,185	2,184
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	19,233	17,443
Construction in process
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 25,555	$ 18,028

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Amount of accumulated interest costs capitalized as part of property, plant and equipment cost basis.

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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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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Amount before accumulated depreciation, depletion and amortization of 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, and furniture and fixtures.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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