Goodwill and Other Intangible Assets - Schedule of Amortization Expense (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization of acquired intangibles	$ 1,243	$ 1,255	$ 5,176	$ 4,719

Finite-lived Intangible Assets Acquired, Amortization

No definition available.

Name:	hain_FiniteLivedIntangibleAssetsAcquiredAmortization
Namespace Prefix:	hain_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration