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Commitments and Contingencies (Narrative) (Details) (USD $) | 3 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013
Commitments and Contingencies (Textual) [Abstract] |  |
Loan Processing Fee | $ 400,000 us-gaap_LoanProcessingFee | $ 400,000 us-gaap_LoanProcessingFee
Amount Of Loans Committed To Provide | $ 108.2 uti_AmountOfLoansCommittedToProvide |

X
- Definition Expenses paid for obtaining loans which includes expenses such as application and origination fees. + References No definition available. + Details
Name: | us-gaap_LoanProcessingFee
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Total amount of loans committed to provide. + References No definition available. + Details
Name: | uti_AmountOfLoansCommittedToProvide
Namespace Prefix: | uti_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | uti_CommitmentsandContingenciesTextualAbstract
Namespace Prefix: | uti_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration