The Company and Basis of Presentation (Details)	3 Months Ended	6 Months Ended
Jun. 26, 2014 state theatre screen	Jun. 26, 2014 state theatre screen	Jun. 27, 2013 screen state theatre
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of screens	455	455	476
Number of theatres	50	50	53
Number of states in which the entity operates	17	17	17
Number of weeks in each fiscal quarter for a 52-week fiscal year	91 days	182 days
Number of Weeks in Fiscal Year		364 days
Number of Weeks in Fiscal Year, Certain Fiscal Years		371 days

Number of screens in operation by the entity as of the balance sheet date.

No definition available.

Name:	uatc_NumberOfScreensInOperation
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Number of theatres in operation by the entity as of the balance sheet date.

No definition available.

Name:	uatc_NumberOfTheatresInOperation
Namespace Prefix:	uatc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Disclosure of the number of weeks in each fiscal quarter for a 52-week fiscal year.

No definition available.

Name:	uatc_NumberOfWeeksInFiscalQuarter52WeekYear
Namespace Prefix:	uatc_
Data Type:	xbrli:durationItemType
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Disclosure of the number of weeks included in the financial results of each fiscal year.

No definition available.

Name:	uatc_NumberOfWeeksInFiscalYear
Namespace Prefix:	uatc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Number of weeks in fiscal year in certain fiscal years due to fiscal calendar variations.

No definition available.

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Namespace Prefix:	uatc_
Data Type:	xbrli:durationItemType
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The number of states the entity operates in as of the balance sheet date.

No definition available.

Name:	us-gaap_NumberOfStatesInWhichEntityOperates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

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