Employee Benefit Plans - Components of Net Periodic Benefit Cost and Amounts Recognized in Other Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Components of net periodic benefit cost
Interest cost	$ 4,864	$ 4,817
Expected return on plan assets	(4,644)	(4,488)
Amortization of net loss	596	827
Pension settlement charge	8,214	0
Net periodic benefit cost	9,030	1,156
Net periodic benefit cost
Net gain	(2,145)	(5,648)
Amortization of net loss	(595)	(827)
Amount recognized due to settlement	(8,214)	0
Total recognized in other comprehensive income (loss)	(10,954)	(6,475)
Total recognized in net periodic benefit cost and OCI	$ (1,924)	$ (5,319)
Weighted-average assumptions used to determine net periodic benefit cost
Discount rate	5.35%	5.05%
Expected long-term return on plan assets	7.00%	6.25%
Defined Benefit Plan Net Periodic Benefit Cost Credit Expected Return Loss Statement Of Income Or Comprehensive Income Extensible List Not Disclosed Flag	Expected return on plan assets	Expected return on plan assets	Expected return on plan assets
Defined Benefit Plan Net Periodic Benefit Cost Credit Amortization Of Gain Loss Statement Of Income Or Comprehensive Income Extensible List Not Disclosed Flag	Amortization of net loss	Amortization of net loss	Amortization of net loss
Farmer Brothers Plan
Components of net periodic benefit cost
Interest cost	$ 4,684	$ 4,631
Expected return on plan assets	(4,537)	(4,336)
Amortization of net loss	596	827
Pension settlement charge	8,125	0
Net periodic benefit cost	8,868	1,122
Net periodic benefit cost
Net gain	(2,419)	(5,326)
Amortization of net loss	(595)	(827)
Amount recognized due to settlement	(8,125)	0
Total recognized in other comprehensive income (loss)	(11,139)	(6,153)
Total recognized in net periodic benefit cost and OCI	$ (2,271)	$ (5,031)
Weighted-average assumptions used to determine net periodic benefit cost
Discount rate	5.35%	5.05%
Expected long-term return on plan assets	7.00%	7.00%
Hourly Employees’ Plan
Components of net periodic benefit cost
Interest cost	$ 180	$ 186
Expected return on plan assets	(107)	(152)
Amortization of net loss	0	0
Pension settlement charge	89	0
Net periodic benefit cost	162	34
Net periodic benefit cost
Net gain	274	(322)
Amortization of net loss	0	0
Amount recognized due to settlement	(89)	0
Total recognized in other comprehensive income (loss)	185	(322)
Total recognized in net periodic benefit cost and OCI	$ 347	$ (288)
Weighted-average assumptions used to determine net periodic benefit cost
Discount rate	5.35%	5.05%
Expected long-term return on plan assets	4.25%	5.50%