v3.26.1
Summary of Significant Accounting Policies - Summary of Basic and Diluted Net Income Per Ordinary Share (Detail) - USD ($)
3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Class A - Redeemable [member]        
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Allocation of net income $ 1,183,366 $ 501,013 $ 1,567,466 $ 267,888
Basic weighted average shares outstanding 23,000,000 9,857,143 23,000,000 3,322,222
Basic net income per ordinary share $ 0.05 $ 0.05 $ 0.07 $ 0.08
Allocation of net income $ 1,183,366 $ 484,702 $ 1,567,466 $ 247,050
Diluted weighted average shares outstanding 23,000,000 9,857,143 23,000,000 3,322,222
Diluted net income per ordinary share $ 0.05 $ 0.05 $ 0.07 $ 0.07
Class A & B - Non-redeemable [Member]        
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Allocation of net income $ 441,961 $ 386,133 $ 585,414 $ 572,768
Basic weighted average shares outstanding 8,590,000 7,596,957 8,590,000 7,103,193
Basic net income per ordinary share $ 0.05 $ 0.05 $ 0.07 $ 0.08
Allocation of net income $ 441,961 $ 402,444 $ 585,414 $ 593,606
Diluted weighted average shares outstanding 8,590,000 8,184,286 8,590,000 7,982,556
Diluted net income per ordinary share $ 0.05 $ 0.05 $ 0.07 $ 0.07