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v3.25.2

Short-Term Borrowings and Long-Term Debt - Schedule of Long-Term Debt (Detail) - USD ($) $ in Thousands | Jun. 30, 2025 | Sep. 30, 2024
--- | --- | ---
Debt Instrument [Line Items] |  |
Less: current portion | $ (35,593) | $ (33,766)
Less: unamortized portion of debt issuance costs | (1,600) | (1,514)
Long-term debt, net current portion and unamortized debt issuance costs | 365,070 | 355,906
Mortgage Facility [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt | 402,263 | 391,186
Mortgage Facility [Member] | Mortgage Facility Payable to Flagship Bank [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt | 5,039 | 5,411
Mortgage Facility [Member] | Mortgage Facility Payable to Seacoast National Bank [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt | 14,360 | 15,378
Mortgage Facility [Member] | Mortgage facility payable to Hancock Whitney Bank [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt | 19,931 | 21,366
Mortgage Facility [Member] | Mortgage Facility Payable to M&T Bank [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt | 36,540 |
Term Loan [Member] | Term loan payable to M&T Bank [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt | 325,000 | 347,500
Term Loan [Member] | Loan payable to TRANSPORT S.a.s di Taula Vittorio and C. [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 1,393 | $ 1,531

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