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The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_BusinessCombinationSegmentAllocationLineItems
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Amount of allowance for credit loss at acquisition date of financing receivable purchased with credit deterioration.

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Amount at purchase price of financing receivable purchased with credit deterioration.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	us-gaap_FiniteLivedIntangibleAssetUsefulLife
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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Fair value portion of assets, excluding financial assets, that lack physical substance, having a limited useful life.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Name:	us-gaap_Goodwill
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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Name:	us-gaap_PaymentsToAcquireBusinessesGross
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Balance Type:	credit
Period Type:	duration

Number of campuses.

No definition available.

Name:	uti_NumberOfCampuses
Namespace Prefix:	uti_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number Of Programs

No definition available.

Name:	uti_NumberOfPrograms
Namespace Prefix:	uti_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number Of States

No definition available.

Name:	uti_NumberOfStates
Namespace Prefix:	uti_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number Of Students

No definition available.

Name:	uti_NumberOfStudents
Namespace Prefix:	uti_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Working Capital Acquired From Acquisition

No definition available.