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

Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest.

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+ Details

Accumulated Other Comprehensive Income - Components of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Mar. 31, 2026	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2024
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total accumulated other comprehensive income	$ 41,532	$ 41,442	$ 36,885	$ 35,845	$ 32,367	$ 30,425
Retirement plan liability adjustment, net of tax
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total accumulated other comprehensive income	1,710		1,661
Total accumulated other comprehensive income
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total accumulated other comprehensive income	$ 1,710	$ 1,694	$ 1,661	$ 231	$ 208	$ (5,389)