XML 75 R58.htm IDEA: XBRL DOCUMENT
v3.21.1

Long-term debt - Summary of Principal Payment on Long Term Debt Including Obligation Under Finance Lease (Detail) $ in Thousands | Mar. 27, 2021 USD ($)
--- | ---
Debt Disclosure [Abstract] |
2022 | $ 2,981
2023 | 14,575
2024 | 2,069
2025 | 2,068
2026 | 2,054
Thereafter | 2,554
Total | $ 26,301

X
- Definition long term debt including finance lease obligation repayment due after year five. + References No definition available. + Details
Name: | bgi_LongTermDebtIncludingFinanceLeaseObligationRepaymentDueAfterYearFive
Namespace Prefix: | bgi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Long term debt including finance lease obligation repayment due year five. + References No definition available. + Details
Name: | bgi_LongTermDebtIncludingFinanceLeaseObligationRepaymentDueYearFive
Namespace Prefix: | bgi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Long term debt including finance lease obligation repayment due year four. + References No definition available. + Details
Name: | bgi_LongTermDebtIncludingFinanceLeaseObligationRepaymentDueYearFour
Namespace Prefix: | bgi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Long term debt including finance lease obligation repayment due year one. + References No definition available. + Details
Name: | bgi_LongTermDebtIncludingFinanceLeaseObligationRepaymentDueYearOne
Namespace Prefix: | bgi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Long term debt including finance lease obligation repayment due year three. + References No definition available. + Details
Name: | bgi_LongTermDebtIncludingFinanceLeaseObligationRepaymentDueYearThree
Namespace Prefix: | bgi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Long term debt including finance lease obligation repayment due year two. + References No definition available. + Details
Name: | bgi_LongTermDebtIncludingFinanceLeaseObligationRepaymentDueYearTwo
Namespace Prefix: | bgi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Long term debt including finance lease obligation repayment,total. + References No definition available. + Details
Name: | bgi_LongTermDebtIncludingFinanceLeaseObligationRepaymenttotal
Namespace Prefix: | bgi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_DebtDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration