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Restructuring and Impairment (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring and impairment | $ 727 | $ 0 | $ 3,013 | $ 11,847
Restructuring and Impairment |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring and impairment | 200 |  | 1,500 |
New Boat Cost of Sales |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring and impairment | 500 |  | 1,500 |
Dealerships |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring and impairment | 500 |  | 1,600 |
Distribution |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring and impairment | $ 200 |  | $ 1,400 |

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