Commitments and Contingencies - Additional Information (Detail) - USD ($)				3 Months Ended	9 Months Ended	12 Months Ended
	Oct. 19, 2025	Sep. 09, 2025	May 22, 2025	Jun. 30, 2026	Jun. 30, 2026	May 18, 2026	Sep. 30, 2025
Commitments And Contingencies Disclosure [Line Items]
Common stock par value		$ 0.1
Underwriting discount per share			$ 0.2
Underwriting commissions cost			$ 4,600,000
Sale of stock, price per share			$ 0.4
Underwriting commissions payable			$ 9,200,000
Percentage of cash transaction fee				1.00%	1.00%
Expenses incurred in connection with initial public offering		$ 2,300,000
Fairness opinion fee business combination	$ 450,000
Business combination advisor expense reimbursement	125,000
Fairness opinion initial payment [Member]
Commitments And Contingencies Disclosure [Line Items]
Fairness opinion fee business combination	$ 100,000
Service provider agreements [Member]
Commitments And Contingencies Disclosure [Line Items]
Accountable fees					$ 20,000
Monthly fee to investor relation advisor for business combination						$ 8,500
Amount of expenses shall not exceed					300
Other expenses				$ 0	0
Deferred professional fees expenses					$ 38,387		$ 37,564
Over-allotment option [Member]
Commitments And Contingencies Disclosure [Line Items]
Option for underwriters to purchase additional units term					45 days
Common stock, shares subscribed but unissued			3,000,000	3,000,000	3,000,000
Common stock par value			$ 10