Business Segments - Income Growth Initiatives (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2024
Restructuring, settlement and impairment provisions
Non-cash asset write-offs		$ 5,328
Location, Statement of Income, Balance [Axis]: us-gaap:CostOfGoodsAndServicesSold
Restructuring, settlement and impairment provisions
Phibro Forward income growth initiatives		3,798
Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense
Restructuring, settlement and impairment provisions
Phibro Forward income growth initiatives	$ 8,646	6,978	$ 366
Operating Segments \| Animal Health
Restructuring, settlement and impairment provisions
Phibro Forward income growth initiatives		5,600
Non-cash asset write-offs		5,300
Operating Segments \| Animal Health \| Location, Statement of Income, Balance [Axis]: us-gaap:CostOfGoodsAndServicesSold
Restructuring, settlement and impairment provisions
Phibro Forward income growth initiatives		3,798
Non-cash asset write-offs		3,800
Operating Segments \| Animal Health \| Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense
Restructuring, settlement and impairment provisions
Phibro Forward income growth initiatives		1,771
Non-cash asset write-offs		1,500
Corporate \| Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense
Restructuring, settlement and impairment provisions
Phibro Forward income growth initiatives		$ 5,200	$ 400