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Restructuring Costs (Details) - Facility Consolidation - Campus Location Consolidation $ in Thousands	3 Months Ended			9 Months Ended
	Jun. 30, 2025 USD ($)	Dec. 31, 2024 campus	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($) campus	Jun. 30, 2024 USD ($)	Dec. 05, 2023 location
Restructuring Cost and Reserve [Line Items]
Number of plans consolidated \| location						2
UTI
Restructuring Cost and Reserve [Line Items]
Number of campus \| campus		16		15
Expected estimated costs	$ 1,200			$ 1,200
Cost incurred	200			200
Restructuring costs	0		$ 53	43	$ 141
UTI \| Maximum
Restructuring Cost and Reserve [Line Items]
Expected estimated costs	$ 1,000			1,000
UTI \| Educational services and facilities
Restructuring Cost and Reserve [Line Items]
Restructuring costs				$ 12	87
UTI \| Selling, general and administrative
Restructuring Cost and Reserve [Line Items]
Restructuring costs					$ 57