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Working capital earnings deficit.

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The amount of cash, securities, or other assets held by a third-party trustee pursuant to the terms of an agreement which assets are available to be used by beneficiaries to that agreement only within the specific terms thereof and which agreement is expected to terminate more than one year from the balance sheet date (or operating cycle, if longer) at which time the assets held-in-trust will be released or forfeited.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.

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The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation.

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

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Amount of debt and lease obligation, classified as current.

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The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion.

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The price per share of the conversion feature embedded in the debt instrument.

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The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations.

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The cash inflow from the issuance of long-term debt that is not secured by collateral. Excludes proceeds from tax exempt unsecured debt.

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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.

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The cash outflow to repay long-term debt that is not secured by collateral. Excludes repayments of tax exempt unsecured debt.

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Gross number of share options (or share units) granted during the period.

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Amount of unrecognized tax benefits.

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Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

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Summary of Significant Accounting Policies - Additional Information (Detail)				6 Months Ended	9 Months Ended
	Feb. 11, 2026 $ / shares shares	Dec. 18, 2025 $ / shares shares	Oct. 01, 2025 USD ($) $ / shares	Jun. 30, 2026 USD ($) $ / shares	Dec. 31, 2025 USD ($)
Related Party Transaction [Line Items]
Cash				$ 622,015	$ 784,949
Working capital earnings deficit				236,316
Cash and cash equivalent				0	0
Cash held in trust account				473,221,889	464,648,083
Unrecognized tax benefits				0	0
Amounts accrued				0	0
Cash, FDIC Insured Amount				250,000
Warrants and Rights Outstanding				9,380,000	9,380,000
Class of Warrant or Right, Exercise Price of Warrants or Rights \| $ / shares			$ 11.5
December 18, 2025 Grant [Member] \| Founder Shares [Member]
Related Party Transaction [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award Aggregate Fair Value Of Awards Granted		150,600
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross \| shares		30,000
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price \| $ / shares		$ 5.02
February 11, 2026 Grant [Member] \| Founder Shares [Member]
Related Party Transaction [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award Aggregate Fair Value Of Awards Granted	178,800
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross \| shares	30,000
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price \| $ / shares	$ 5.96
Public Warrants [Member]
Related Party Transaction [Line Items]
Warrants and Rights Outstanding			$ 3,036,000	$ 9,200,000	9,200,000
Class of Warrant or Right, Exercise Price of Warrants or Rights \| $ / shares			$ 0.33	$ 11.5
Working Capital Loan [Member]
Related Party Transaction [Line Items]
Debt instrument, carrying amount				$ 1,500,000
Debt instrument conversion price \| $ / shares				$ 10
Debt, current				$ 0	$ 0
Unsecured Debt [Member]
Related Party Transaction [Line Items]
Proceeds from issuance of unsecured debt				$ 300,000
Repayments of unsecured debt			$ 212,377