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Basis of Presentation Narrative (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Sep. 30, 2014
Retake Revenue Correction [Member]  
Quantifying Misstatement in Current Year Financial Statements, Amount $ 0.5us-gaap_QuantifyingMisstatementInCurrentYearFinancialStatementsAmount
/ us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis
= uti_RetakeRevenueCorrectionMember
Bad Debt Expense Correction [Member]  
Quantifying Misstatement in Current Year Financial Statements, Amount 0.2us-gaap_QuantifyingMisstatementInCurrentYearFinancialStatementsAmount
/ us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis
= uti_BadDebtExpenseCorrectionMember
Contract Services Expense Correction [Member]  
Quantifying Misstatement in Current Year Financial Statements, Amount $ 0.2us-gaap_QuantifyingMisstatementInCurrentYearFinancialStatementsAmount
/ us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis
= uti_ContractServicesExpenseCorrectionMember