Overview and Summary of Significant Accounting Policies - Narrative (Details) interaction in Millions	12 Months Ended
	Jun. 30, 2024 USD ($) segment deliveryLocation interaction	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)
Restructuring Cost and Reserve [Line Items]
Number of interactions managed per year | interaction	169
Number of operating segments | segment	1
Number of reportable segments | segment	1
Number of delivery locations with impairment charges | deliveryLocation	2
Impairment loss	$ 1,300,000	$ 0	$ 0
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property and equipment, net	Property and equipment, net
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Current maturities of long-term debt	Current maturities of long-term debt
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Total long-term debt	Total long-term debt
Impairment loss on operating lease asset	$ 300,000
Goodwill impairment charges	0	$ 0	0
Intangible asset impairment	$ 0	0	0
Employer matching contribution, percent of compensation	4.00%
Plan expenses	$ 1,400,000	1,200,000	1,000,000.0
Defined benefit obligations	1,300,000	1,200,000
Defined benefit pension costs	300,000	400,000	$ 400,000
Capitalized cost	3,500,000	$ 0
Severance costs	1,600,000
Accrued severance	$ 800,000
Minimum
Restructuring Cost and Reserve [Line Items]
Notice period for contract termination	30 days
Maximum
Restructuring Cost and Reserve [Line Items]
Notice period for contract termination	120 days
Selling, general and administrative
Restructuring Cost and Reserve [Line Items]
Severance costs	$ 1,400,000
Cost of services
Restructuring Cost and Reserve [Line Items]
Severance costs	$ 200,000