Represents the increase (decrease) in amount of stockholder's equity due to adjustment of related party receivables during the reporting period.

No definition available.

+ Details

Name:	uatc_ChangeInRelatedPartyReceivables
Namespace Prefix:	uatc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_IncreaseDecreaseInStockholdersEquityRollForward
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 45

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1377-109256

+ Details

Name:	us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of the reduction or elimination during the period of a noncontrolling interest resulting from the parent's loss of control and deconsolidation of the entity in which one or more outside parties had a noncontrolling interest.

+ References

No definition available.

+ Details

Name:	us-gaap_NoncontrollingInterestDecreaseFromDeconsolidation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 45

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4568447-111683

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 45

-Paragraph 16

-URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4568740-111683

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 55

-Paragraph 4I

-URI http://asc.fasb.org/extlink&oid=31814832&loc=SL4590271-111686

+ Details

Name:	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

CONSOLIDATED STATEMENTS OF EQUITY (USD $) In Millions, unless otherwise specified	Total	Total Stockholders’ Equity of UATC	Preferred Stock	Common Stock	Additional Paid-In Capital	Retained Earnings	Intercompany and Related Party Receivables	Noncontrolling Interest
Balance, beginning of period at Dec. 30, 2010	$ 48.3	$ 48.1			$ 93.2	$ 35.6	$ (80.7)	$ 0.2
Increase (Decrease) in Stockholders' Equity
Net income attributable to controlling interest	5.4	5.4				5.4
Change in related party receivables	(6.4)	(6.4)					(6.4)
Balance, end of period at Dec. 29, 2011	47.3	47.1			93.2	41.0	(87.1)	0.2
Increase (Decrease) in Stockholders' Equity
Net income attributable to controlling interest	6.7	6.7				6.7
Change in related party receivables	(8.5)	(8.5)					(8.5)
Noncontrolling interest adjustments	0.1							0.1
Balance, end of period at Dec. 27, 2012	45.6	45.3			93.2	47.7	(95.6)	0.3
Increase (Decrease) in Stockholders' Equity
Net income attributable to controlling interest	8.1	8.1				8.1
Change in related party receivables	6.5	6.5					6.5
Noncontrolling interest adjustments	0.1							0.1
Balance, end of period at Dec. 26, 2013	$ 60.3	$ 59.9	$ 0	$ 0	$ 93.2	$ 55.8	$ (89.1)	$ 0.4