Summary of Significant Accounting Policies - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Property, Plant and Equipment
Operating lease, remaining contractual term	7 years
Operating lease, extension term	10 years
Percent of workforce covered by collective bargaining agreement	21.00%
Undiscounted workers' compensation liability	$ 2.0	$ 3.3
Reinsurance recoveries	0.2	0.7
Group medical insurance liability	0.6	0.5
Liability for claims and claims adjustment expense	1.6	1.4
Security Deposit - Letter of Credit
Property, Plant and Equipment
Letter of credit posted as security deposit	$ 4.1	$ 4.0
Buildings and facilities | Minimum
Property, Plant and Equipment
Property, plant and equipment useful life	10 years
Buildings and facilities | Maximum
Property, Plant and Equipment
Property, plant and equipment useful life	30 years
Machinery and equipment | Minimum
Property, Plant and Equipment
Property, plant and equipment useful life	3 years
Machinery and equipment | Maximum
Property, Plant and Equipment
Property, plant and equipment useful life	15 years
Machinery and equipment | Coffee Brewing Equipment
Property, Plant and Equipment
Property, plant and equipment useful life	5 years
Office furniture and equipment | Minimum
Property, Plant and Equipment
Property, plant and equipment useful life	5 years
Office furniture and equipment | Maximum
Property, Plant and Equipment
Property, plant and equipment useful life	7 years
Capitalized software | Minimum
Property, Plant and Equipment
Property, plant and equipment useful life	3 years
Capitalized software | Maximum
Property, Plant and Equipment
Property, plant and equipment useful life	5 years
Five Customers | Accounts Receivable Benchmark | Customer Concentration Risk
Property, Plant and Equipment
Concentration risk (percent)	11.00%	33.00%