| Intangibles - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
| Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | |
| Goodwill and Intangible Assets Disclosure [Abstract] | ||||
| Amortization expense | $ 1,200 | $ 1,000 | $ 3,700 | $ 2,200 | 
| Disposal Group, Not Discontinued Operations | Customer relationships | Johnson Floor & Home | ||||
| Finite-Lived Intangible Assets [Line Items] | ||||
| Intangible assets derecognized | 1,200 | |||
| Disposal Group, Not Discontinued Operations | Other | Johnson Floor & Home | ||||
| Finite-Lived Intangible Assets [Line Items] | ||||
| Intangible assets derecognized | $ 300 | |||
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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