Overview and Summary of Significant Accounting Policies - (Details) $ in Millions	Sep. 30, 2025 USD ($) deliveryCenter employee	Jun. 30, 2025 USD ($)
Restructuring Cost and Reserve [Line Items]
Number of delivery centers | deliveryCenter	30
Number of employees | employee	36,000
Capitalized cloud computing software costs	$ 4.0	$ 4.1
Variable Interest Entity, Primary Beneficiary
Restructuring Cost and Reserve [Line Items]
Maximum exposure to loss	3.6	1.6
Refundable lease deposit	0.6	0.4
Accrued expenses	$ 0.0	$ 0.3
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