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Goodwill - Summary of Changes in Carrying Amount of Goodwill by Reportable Segment (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2025
Goodwill [Line Items] |  |
Beginning balance |  | $ 592,293
Goodwill acquired |  | 680
Foreign currency translation |  | 3,226
Goodwill impairment | $ (69,055) | (69,055)
Ending balance | 527,144 | 527,144
Retail Operations [Member] |  |
Goodwill [Line Items] |  |
Beginning balance |  | 523,238
Goodwill acquired |  | 680
Foreign currency translation |  | 3,226
Ending balance | $ 527,144 | 527,144
Product Manufacturing [Member] |  |
Goodwill [Line Items] |  |
Beginning balance |  | 69,055
Goodwill impairment |  | $ (69,055)

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