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v3.24.2

Segmented Information - Schedule of Information Relating to Segments (Parenthetical) (Detail) $ in Millions | Mar. 25, 2024 USD ($)
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Segment Reporting Information [Line Items] |
Corrections made to reflect adjusted gross profit | $ 2.2

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- Definition Corrections made to reflect adjusted gross profit. + References No definition available. + Details
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Namespace Prefix: | bgi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition 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. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration