Amount due to related parties.

No definition available.

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- Definition

Borrowing.

+ References

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Total net undiscounted financial assets/(liabilities).

+ References

No definition available.

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- Definition

Total undiscounted financial assets.

+ References

No definition available.

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Namespace Prefix:	BMGL_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of outstanding funds that the entity is obligated to repay.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
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-URIDate 2025-03-27

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Balance Type:	credit
Period Type:	instant

- Definition

The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Note Effective 2027-01-01
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-URIDate 2025-03-27

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of contractual undiscounted cash flows in relation to derivative financial liabilities. [Refer: Derivative financial liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
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-IssueDate 2025-01-01
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-Subparagraph b
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-URIDate 2025-03-27

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Balance Type:	credit
Period Type:	instant

- Definition

The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2025-01-01
-Paragraph 47
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_47_b&doctype=Standard
-URIDate 2025-03-27

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of current payables due to related parties. [Refer: Total for all related parties [member]; Payables to related parties]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
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Balance Type:	credit
Period Type:	instant

- Definition

The amount of current trade receivables and current other receivables. [Refer: Current trade receivables; Other current receivables]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
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-URIDate 2025-03-27

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Balance Type:	debit
Period Type:	instant

- Definition

The amount of trade payables and other payables. [Refer: Trade payables; Other payables]

+ References

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Balance Type:	credit
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- Definition

The amount of receivables due from related parties. [Refer: Total for all related parties [member]]

+ References

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Schedule of remaining contractual undiscounted repayment obligations (Details)	Jun. 30, 2026 USD ($)	Jun. 30, 2026 SGD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2025 SGD ($)	Jun. 30, 2024 SGD ($)
IfrsStatementLineItems [Line Items]
Trade and other receivables	$ 7,991,266	$ 10,341,500		$ 9,489,266
Cash and cash equivalents	409,464	529,887	$ 2,393,636	3,044,466	$ 1,951,053
Trade and other payables	2,746,493	3,554,236		6,574,785
Carrying amount [member]
IfrsStatementLineItems [Line Items]
Trade and other receivables	7,848,968	10,157,353		8,924,312
Amount due from related parties	768,730
Cash and cash equivalents	409,464	529,887		3,044,466
Total undiscounted financial assets	9,027,162	11,682,052		11,968,778
Trade and other payables	2,582,962	3,342,610		6,295,147
Lease liabilities	4,699,412	6,081,509		5,016,475
Amount due to related parties	744,038	994,812		1,450,305
Borrowings	1,989,904
Total undiscounted financial liabilities	10,016,316	12,962,114		12,823,298
Total net undiscounted financial assets/ (liabilities)	(989,154)	(1,280,062)		(854,520)
Amount due to related parties		962,860
Borrowings		2,575,135		61,371
Contractual cash flows [member]
IfrsStatementLineItems [Line Items]
Trade and other receivables	7,848,968	10,157,353		8,924,312
Amount due from related parties	768,730
Cash and cash equivalents	409,464	529,887		3,044,466
Total undiscounted financial assets	9,027,162	11,682,052		11,968,778
Trade and other payables	2,582,962	3,342,610		6,295,147
Lease liabilities	4,876,990	6,311,312		5,244,654
Amount due to related parties	744,038	994,812		1,450,305
Borrowings	1,989,904
Total undiscounted financial liabilities	10,193,894	13,191,917		13,051,477
Total net undiscounted financial assets/ (liabilities)	(1,166,732)	(1,509,865)		(1,082,699)
Amount due to related parties		962,860
Borrowings		2,575,135		61,371
Not later than one year [member]
IfrsStatementLineItems [Line Items]
Trade and other receivables	7,848,968	10,157,353		8,924,312
Amount due from related parties	768,730
Cash and cash equivalents	409,464	529,887		3,044,466
Total undiscounted financial assets	9,027,162	11,682,052		11,968,778
Trade and other payables	2,582,962	3,342,610		6,295,147
Lease liabilities	2,215,135	2,866,606		2,210,787
Amount due to related parties	744,038	994,812		1,450,305
Borrowings	1,989,904
Total undiscounted financial liabilities	7,532,039	9,747,211		10,017,610
Total net undiscounted financial assets/ (liabilities)	1,495,123	1,934,841		1,951,168
Amount due to related parties		962,860
Borrowings		2,575,135		61,371
Later than one year [member]
IfrsStatementLineItems [Line Items]
Trade and other receivables
Amount due from related parties
Cash and cash equivalents
Total undiscounted financial assets
Trade and other payables
Lease liabilities	2,661,855	3,444,706		3,033,867
Amount due to related parties
Borrowings
Total undiscounted financial liabilities	2,661,855	3,444,706		3,033,867
Total net undiscounted financial assets/ (liabilities)	$ (2,661,855)	(3,444,706)		(3,033,867)
Amount due to related parties
Borrowings