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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

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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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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period.

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Short-term and Long-term Debt - Additional Information (Details) - USD ($)					9 Months Ended
	Jun. 14, 2024	Mar. 13, 2024	Feb. 27, 2024	Feb. 12, 2024	Jun. 30, 2024	Jun. 30, 2023
Debt Instrument [Line Items]
Debt instruments issuance cost					$ 9,135,000	$ 4,788,000
Extinguishment of debt					(3,734,000)	$ (601,000)
ABL facility
Debt Instrument [Line Items]
Outstanding borrowing					45,000,000
Revolving credit facility					$ 437,600,000
Senior Notes Due 2032
Debt Instrument [Line Items]
Interest rate			6.75%	6.75%
Proceeds from issuance of long-term debt			$ 594,000,000
Debt, interest rate terms					Interest is paid semi-annually during our second and fourth fiscal quarters.
Debt issuance costs			$ 8,500,000
Senior Notes Due 2025
Debt Instrument [Line Items]
Aggregate principal amount				$ 680,000,000
Interest rate			5.625%
Debt instrument, redemption price, percentage				100.00%
Repayments of outstanding principal balance of senior debt			$ 680,000,000
Extinguishment of debt		$ (2,000,000)
TLB 2030 \| Sally Holdings, LLC
Debt Instrument [Line Items]
Interest rate	0.50%
Extinguishment of debt	$ (1,700,000)
Non-cash income from financing activities	$ 20,500,000
TLB 2030 \| SOFR \| Sally Holdings, LLC
Debt Instrument [Line Items]
Interest rate	1.75%
TLB 2030 \| Base Rate \| Sally Holdings, LLC
Debt Instrument [Line Items]
Interest rate	0.75%