XML 112 R84.htm IDEA: XBRL DOCUMENT v3.24.2

Segmented Information - Additional Information (Detail)	12 Months Ended
	Mar. 30, 2024 Store Segment	Mar. 25, 2023 Store
Segment Information [Line Items]
Number of reportable segments | Segment	2
Birks Brand [Member]
Segment Information [Line Items]
Number of Stores Closed	3	2
Number of Stores Opened	0
Birks Brand [Member] | Retail Segment [Member]
Segment Information [Line Items]
Number of retail stores	18
Brinkhaus Brand [Member] | Retail Segment [Member]
Segment Information [Line Items]
Number of reportable segments | Segment	2

X

- Definition

Number of stores closed.

+ References

No definition available.

+ Details

Name:	bgi_NumberOfStoresClosed
Namespace Prefix:	bgi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of stores opened .

+ References

No definition available.

+ Details

Name:	bgi_NumberOfStoresOpened
Namespace Prefix:	bgi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Segment Information [Line Items]

+ References

No definition available.

+ Details

Name:	bgi_SegmentInformationLineItems
Namespace Prefix:	bgi_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-18

+ Details

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the number of stores.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfStores
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	srt_StatementGeographicalAxis=bgi_BirksBrandMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=bgi_RetailSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=bgi_BrinkhausBrandMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: