Derivatives and Hedging Activities - Schedule of Derivative Information (Details) € in Thousands, $ in Thousands	Jun. 30, 2025 USD ($) Instrument	Jun. 30, 2025 EUR (€) Instrument
Interest Rate Swap \| Cash Flow Hedging
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of instruments \| Instrument	4	4
Notional amount \| $	$ 400,000
Cross-currency swap \| Net Investment Hedging
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of instruments \| Instrument	4	4
Cross-currency swap \| Net Investment Hedging \| Short
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount \| €		€ 100,300
Cross-currency swap \| Net Investment Hedging \| Long
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount \| $	$ 103,312
Cross-currency swap \| Fair Value Hedging
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of instruments \| Instrument	1	1
Cross-currency swap \| Fair Value Hedging \| Short
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount \| €		€ 24,700
Cross-currency swap \| Fair Value Hedging \| Long
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount \| $	$ 25,453
Foreign currency forward contracts \| Net Investment Hedging \| Short
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount \| €		€ 14,067
Foreign currency forward contracts \| Net Investment Hedging \| Long
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of instruments \| Instrument	3	3
Notional amount \| $	$ 16,600

HAIN CELESTIAL GROUP INC 10-K