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Goodwill - Summary of Changes in Carrying Amount of Goodwill by Reportable Segment (Detail) $ in Thousands	6 Months Ended
	Mar. 31, 2025 USD ($)
Goodwill [Line Items]
Beginning balance	$ 592,293
Goodwill acquired	680
Foreign currency translation	(1,872)
Ending balance	591,101
Retail Operations [Member]
Goodwill [Line Items]
Beginning balance	523,259
Goodwill acquired	680
Foreign currency translation	(1,872)
Ending balance	522,067
Product Manufacturing [Member]
Goodwill [Line Items]
Beginning balance	69,034
Ending balance	$ 69,034

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- Definition

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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Amount of foreign currency translation gain (loss) which increases (decreases) asset representing future economic benefit from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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