Goodwill and Intangible Assets - (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2025	Sep. 30, 2025
Goodwill [Line Items]
Goodwill	$ 541,524	$ 540,674
Goodwill, decreased from effects of foreign currency exchange rates	900
Sally
Goodwill [Line Items]
Goodwill	91,700
BSG
Goodwill [Line Items]
Goodwill	$ 449,800

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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+ Details

- 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.

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+ Details

Sally Beauty Holdings, Inc. 10-Q