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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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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Property, Plant, and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Feb. 27, 2021	Feb. 29, 2020	Feb. 27, 2021	Feb. 29, 2020	Aug. 29, 2020
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	$ 329,569		$ 329,569		$ 327,183
Less accumulated depreciation	155,960		155,960		152,238
Property, plant, and equipment, net	173,609		173,609		174,945
Depreciation	4,399	$ 4,134	8,559	$ 7,720
Land
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	9,111		9,111		11,101
Buildings and building improvements
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	147,587		147,587		144,565
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	120,106		120,106		117,370
Software
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	28,611		28,611		28,456
Transportation
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	4,938		4,938		4,913
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	$ 19,216		$ 19,216		$ 20,778