Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	May 28, 2021	Aug. 28, 2020
Statement Of Financial Position [Abstract]
Accounts receivable, net of allowances	$ 622	$ 101
Ordinary shares, par value	$ 0.03	$ 0.03
Ordinary shares, authorized	200,000,000	200,000,000
Ordinary shares, issued	24,238,000	24,419,000
Ordinary shares, outstanding	24,238,000	24,419,000

Amount of allowance for credit loss on accounts receivable, classified as current.

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-Name Accounting Standards Codification
-Topic 210
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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