Revenue from Contracts with Customers - Breakdown of Revenues by Geographical Location (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Disaggregation of Revenue [Line Items]
Revenue	$ 558,273	$ 508,569	$ 523,118
United States
Disaggregation of Revenue [Line Items]
Revenue	537,781	493,015	509,170
Other countries
Disaggregation of Revenue [Line Items]
Revenue	20,492	15,554	13,948
Onshore (United States)
Disaggregation of Revenue [Line Items]
Revenue	136,020	120,153	145,401
Offshore (Philippines, Pakistan, India)
Disaggregation of Revenue [Line Items]
Revenue	282,289	244,825	221,913
Nearshore (Jamaica, Nicaragua, Honduras)
Disaggregation of Revenue [Line Items]
Revenue	$ 139,964	$ 143,591	$ 155,804