Financing receivables, net - Credit Quality Indicators (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Sep. 30, 2025
Financing Receivable, Credit Quality Indicator [Line Items]
2026	$ 7,814
2025	8,149
2024	1,369
2023	628
Total	17,960	$ 16,293
High
Financing Receivable, Credit Quality Indicator [Line Items]
2026	277
2025	844
2024	0
2023	0
Total	1,121	891
Moderate
Financing Receivable, Credit Quality Indicator [Line Items]
2026	2,117
2025	795
2024	189
2023	0
Total	3,101	1,751
Low
Financing Receivable, Credit Quality Indicator [Line Items]
2026	5,420
2025	6,510
2024	1,180
2023	628
Total	$ 13,738	$ 13,651

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

- Definition

Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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