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Initial Public Offering, Description (FY) (Details) - USD ($) |  | 9 Months Ended | 10 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Nov. 01, 2021 | Sep. 30, 2023 | Dec. 31, 2021 | Dec. 31, 2022 | Sep. 30, 2022
Initial Public Offering [Abstract] |  |  |  |  |
Cash deposited in Trust Account per Unit (in dollars per share) |  | $ 10.2 |  | $ 10.2 |
Cash deposited in Trust Account |  |  | $ 234,600,000 | $ 0 |
Class A Common Stock [Member] |  |  |  |  |
Initial Public Offering [Abstract] |  |  |  |  |
Units issued (in shares) |  | 22,700,000 |  | 22,700,000 |
Unit price (in dollars per share) |  | $ 11.5 |  | $ 11.5 |
Common stock, par value (in dollars per share) |  | $ 0.0001 | $ 0.0001 | $ 0.0001 |
Number of shares issued upon exercise of warrant (in shares) |  | 0 | 0 | 0 | 0
Class A Common Stock [Member] | Public Warrants [Member] |  |  |  |  |
Initial Public Offering [Abstract] |  |  |  |  |
Number of shares issued upon exercise of warrant (in shares) | 1 |  |  |  |
Exercise price of warrant (in dollars per share) | $ 11.5 |  |  |  |
Initial Public Offering [Member] |  |  |  |  |
Initial Public Offering [Abstract] |  |  |  |  |
Units issued (in shares) | 23,000,000 |  | 23,000,000 |  |
Unit price (in dollars per share) | $ 10 |  |  |  |
Cash deposited in Trust Account per Unit (in dollars per share) | $ 10.2 |  |  |  |
Cash deposited in Trust Account | $ 234,600,000 |  |  |  |
Initial Public Offering [Member] | Public Warrants [Member] |  |  |  |  |
Initial Public Offering [Abstract] |  |  |  |  |
Number of securities called by each Unit (in shares) | 0.50 |  |  |  |
Initial Public Offering [Member] | Class A Common Stock [Member] |  |  |  |  |
Initial Public Offering [Abstract] |  |  |  |  |
Number of securities called by each Unit (in shares) | 1 |  |  |  |
Common stock, par value (in dollars per share) | $ 0.0001 |  |  |  |
Number of shares issued upon exercise of warrant (in shares) | 1 |  |  |  |
Exercise price of warrant (in dollars per share) | $ 11.5 |  |  |  |
Over-Allotment Option [Member] |  |  |  |  |
Initial Public Offering [Abstract] |  |  |  |  |
Units issued (in shares) | 3,000,000 |  |  |  |
Unit price (in dollars per share) | $ 10 |  |  |  |

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