Employee Benefit Plans - Narrative (Details)		3 Months Ended	12 Months Ended
	Mar. 30, 2020	Jun. 30, 2021 USD ($)	Jun. 30, 2023 USD ($) definedBenefitPlan hour plan shares	Jun. 30, 2022 USD ($) shares	Jun. 30, 2021 USD ($) shares
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation			$ 25,000
Multiemployer Plans, Estimated Employer Contributions in Next Fiscal Year			$ 3,600,000
Plan assets by category			100.00%	100.00%
Defined contribution plan, hours threshold for eligibility | hour			1,000
Defined contribution plan, employer matching contribution percent	6.00%
Defined contribution plan, shares contributed | shares			937,848,000	371,566	373,697
Defined contribution plan, employer matching contribution		$ 100,000	$ 2,000,000	$ 2,000,000
Defined benefit plan, discount rate				4.50%
Postretirement benefits curtailment and pension settlement charge			0	$ 0	$ (6,359,000)
Multiemployer Plan, Employer Contribution, Cost		$ 2,400,000	4,600,000	$ 3,600,000
Postretirement, Non-cash Death Settlement Gain			6,400,000
Defined Contribution Plan, Employer Matching Contribution, Percentage of Employee Contribution, Non-Union	50.00%
Other Assets, Life Insurance Policies			$ 500,000
Defined Benefit Plan, Plan Assets, Fair Value by Hierarchy and NAV [Extensible Enumeration]		Benefit Plans [Member]	Benefit Plans [Member]	Benefit Plans [Member]	Benefit Plans [Member]
Number Of Defined Benefit Plans | definedBenefitPlan			2
Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)			$ (14,600,000)
Multiemployer plans, number of plans | plan			9
Expected employer contributions in the next fiscal year			$ 62,000
Prior service cost/(credit)			(13,400,000)
Pension settlement			(5,800,000)
Multiemployer Plan, Employer Contribution, Cost			$ 3,600,000	$ 3,000,000	$ 2,800,000
Real Asset
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets by category			7.10%	8.00%
Farmer Brothers Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Amount expected to be recognized as a component of net periodic benefit cost in the next fiscal year			$ 1,100,000
Plan assets by category			100.00%	100.00%
Expected employer contributions in the next fiscal year			$ 2,300,000
Defined benefit plan, discount rate			5.05%	4.50%
Farmer Brothers Plan | Real Asset
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets by category			7.50%	8.40%
Hourly Employees’ Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Amount expected to be recognized as a component of net periodic benefit cost in the next fiscal year			$ 33,500
Plan assets by category			100.00%	100.00%
Defined benefit plan, discount rate			5.05%	4.50%
Hourly Employees’ Plan | Real Asset
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets by category			0.00%	0.00%