XML 88 R68.htm IDEA: XBRL DOCUMENT
v3.25.2

Benefit Plans and Stock-Based Compensation - Summary of Birks' Restricted Stock Units And Deferred Share Units (Detail) - shares | 12 Months Ended
--- | ---
Mar. 29, 2025 | Mar. 30, 2024 | Mar. 25, 2023
Cash Settled Deferred Share Units [Member] |  |  |
Schedule Restricted Stock Options And Deferred Stock Units [Line Items] |  |  |
Beginning balance | 96,688 | 35,584 | 0
Grants of new units | 143,829 | 70,000 | 35,584
Exercised | (8,896) | (8,896) |
Ending balance | 231,621 | 96,688 | 35,584
Cash Settled Restricted Stock Units [Member] |  |  |
Schedule Restricted Stock Options And Deferred Stock Units [Line Items] |  |  |
Beginning balance | 0 | 50,000 | 50,000
Exercised |  | (50,000) | 0
Ending balance | 0 | 0 | 50,000
Equity Settled Deferred Share Units [Member] |  |  |
Schedule Restricted Stock Options And Deferred Stock Units [Line Items] |  |  |
Beginning balance | 740,482 | 750,482 |
Exercised | (408,718) | (10,000) |
Ending balance | 331,764 | 740,482 | 750,482
Equity Settled Restricted Stock Units [Member] |  |  |
Schedule Restricted Stock Options And Deferred Stock Units [Line Items] |  |  |
Beginning balance | 0 | 325,000 |
Exercised |  | (325,000) |
Ending balance | 0 | 0 | 325,000

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

X
- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(02) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=bgi_CashSettledDeferredShareUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=bgi_CashSettledRestrictedStockUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=bgi_EquitySettledDeferredShareUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=bgi_EquitySettledRestrictedStockUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |