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Fair Value Measurement - Schedule of Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($)
Sep. 30, 2025
Dec. 31, 2024
Assets:    
Marketable securities held in Trust Account $ 306,202,278 $ 296,736,638
Quoted Prices in Active Markets (Level 1) [Member]    
Assets:    
Marketable securities held in Trust Account   296,736,638
Significant Other Observable Inputs (Level 2) [Member]    
Assets:    
Marketable securities held in Trust Account  
Significant Other Unobservable Inputs (Level 3) [Member]    
Assets:    
Marketable securities held in Trust Account