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Derivative Instruments and Hedging Activities - Narrative (Details) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Apr. 30, 2023 USD ($)	Jun. 30, 2026 USD ($) instrument	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($) instrument	Jun. 30, 2025 USD ($)
Derivative Instruments
Number of derivative instruments held \| instrument		0		0
Term of derivative instrument	3 years
Foreign Exchange Contracts
Derivative Instruments
Foreign currency forwards designated as cash flow hedges net (loss) gain		$ (300)	$ (1,300)	$ (200)	$ (300)
Notional amount		70,227		70,227
Foreign Exchange Contracts \| Reclassification out of Accumulated Other Comprehensive Income
Derivative Instruments
Foreign currency forwards designated as cash flow hedges net (loss) gain		(200)	600	(700)	700
AOCL to COGS over the next 12 months		$ 700		700
Interest Rate Swap \| Sally Holdings, LLC
Derivative Instruments
Notional amount	$ 200,000
Fixed interest rate	3.705%
Interest income			$ 200	$ 100	$ 1,100