Fair Value (Details)	12 Months Ended
Aug. 28, 2021 USD ($) ft²	Aug. 29, 2020 USD ($)	Dec. 31, 2020 ft²
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value remeasurement of non-financial assets on non-recurring basis	$ 0	$ 0
Fair value remeasurement of non-financial liabilities on non-recurring basis	0	0
Property, plant and equipment, net	$ 298,416,000	$ 301,979,000
Long Island Customer Service Center [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Term of lease	10 years
Area of property \| ft²	170,000		26,000
Property, plant and equipment, net	$ 15,300,000

Area of a real estate property.

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- Definition

Amount of addition (reduction) to the amount at which an asset could be incurred (settled) in a current transaction between willing parties.

+ References

No definition available.

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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.

+ References

No definition available.

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- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Topic 842
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Amount of addition (reduction) to the amount at which a liability could be incurred (settled) in a current transaction between willing parties.

+ References

No definition available.

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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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