Fair Value Measurement - Schedule of Assets Measured at Fair Value on Recurring Basis (Details) - USD ($)	Sep. 30, 2026	Jun. 30, 2026	Jun. 24, 2026	Dec. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments held in Trust Account	$ 362,279,479			$ 0
Public Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants derivative liability	5,202,600		$ 4,305,600	$ 0
Level 2 \| Public Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants derivative liability	5,202,600
Level 3 \| Public Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants derivative liability		$ 5,023,200	$ 4,305,600
Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments held in Trust Account	362,279,479
Fair Value, Measurements, Recurring \| Public Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants derivative liability	5,202,600
Fair Value, Measurements, Recurring \| Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments held in Trust Account	362,279,479
Fair Value, Measurements, Recurring \| Level 2 \| Public Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants derivative liability	$ 5,202,600