Price per share or per unit of warrants or rights outstanding.

No definition available.

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Namespace Prefix:	rdagu_
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Balance Type:	na
Period Type:	duration

- Definition

Threshold number of specified consecutive trading days for stock price trigger considered for redemption of warrants.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
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- Definition

Threshold number of specified trading days for stock price trigger considered for redemption of warrants.

+ References

No definition available.

+ Details

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Namespace Prefix:	rdagu_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares in a unit.

+ References

No definition available.

+ Details

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Namespace Prefix:	rdagu_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of warrants in a unit.

+ References

No definition available.

+ Details

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Namespace Prefix:	rdagu_
Data Type:	dtr:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Threshold business days for redemption of public shares

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
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- Definition

The share price threshold that must be achieved in order to waive the restriction on transfer of shares during a restricted period after a business combination.

+ References

No definition available.

+ Details

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Data Type:	dtr:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

When determining the condition for transfer of shares without restriction after a business combination, the number of consecutive trading days used to observe the share price.

+ References

No definition available.

+ Details

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Namespace Prefix:	rdagu_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of new units issued during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	rdagu_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(h)(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

+ Details

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Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- 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

Name:	us-gaap_ClassOfWarrantOrRightLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of warrants or rights outstanding.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Details

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- Details

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Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=us-gaap_IPOMember
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Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
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- Details

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- Details

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Initial Public Offering (Details)		2 Months Ended	5 Months Ended
Initial Public Offering (Details)	May 02, 2025 $ / shares shares	Mar. 31, 2025 $ / shares shares	Jun. 30, 2025 Days $ / shares shares
Initial Public Offering [Line Items]
Per share unit amount	$ 10		$ 10
Number of warrants in a unit			1
Price of warrant			0.01
Class A ordinary shares equals or exceeds per share			$ 18
Trading days			20 days
Trading day period commencing (in Days) \| Days			30
Business days			3 days
Trading day period ending (in Days) \| Days			10
Public Warrants [Member]
Initial Public Offering [Line Items]
Number of warrants in a unit		$ 1
Warrants [Member]
Initial Public Offering [Line Items]
Warrant price per share			$ 18
Warrants outstanding shares (in Shares) \| shares			22,280,000
Class A Ordinary Shares [Member]
Initial Public Offering [Line Items]
Number of shares in a unit (in Shares) \| shares	1
Number of warrants in a unit		1
Warrant price per share		$ 11.5	$ 11.5
Class A Ordinary Shares [Member] \| Warrants [Member]
Initial Public Offering [Line Items]
Warrant price per share			$ 11.5
Initial Public Offering [Member]
Initial Public Offering [Line Items]
Number of new units issued during the period (in Shares) \| shares	30,000,000
Per share unit amount	$ 10
Initial Public Offering [Member] \| Class A Ordinary Shares [Member] \| Public Warrants [Member]
Initial Public Offering [Line Items]
Number of shares in a unit (in Shares) \| shares		1
Over-Allotment Option [Member]
Initial Public Offering [Line Items]
Number of new units issued during the period (in Shares) \| shares	3,600,000		3,960,000
Per share unit amount	$ 10
Public Warrants [Member]
Initial Public Offering [Line Items]
Per share unit amount	$ 0.18
Warrants outstanding shares (in Shares) \| shares			15,000,000
Private Placement Warrants [Member]
Initial Public Offering [Line Items]
Warrants outstanding shares (in Shares) \| shares			7,280,000