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Restructuring (Details) - Facility Consolidation - Campus Location Consolidation $ in Millions		12 Months Ended
	Dec. 05, 2023 USD ($) location	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($)
Restructuring Cost and Reserve [Line Items]
Number of plans consolidated \| location	2
Forecast
Restructuring Cost and Reserve [Line Items]
Expected estimated costs			$ 1.9
UTI
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 2.1
Termination costs		$ 0.2
UTI \| Educational services and facilities
Restructuring Cost and Reserve [Line Items]
Termination costs		0.1
UTI \| Selling, general and administrative
Restructuring Cost and Reserve [Line Items]
Termination costs		$ 0.1