v2.4.0.6

Goodwill and Other Intangible Assets - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Jul. 28, 2012 Year | Jul. 30, 2011 | Jul. 31, 2010
Goodwill and Intangible Assets Disclosure [Line Items] |  |  |
Recognized amortization expense on other intangible assets | $ 1.2 | $ 1.4 | $ 1.2
Intangible assets, weighted-average amortization period | 4 |  |
Proprietary Technology |  |  |
Goodwill and Intangible Assets Disclosure [Line Items] |  |  |
Intangible assets, weighted-average amortization period | 6 |  |
Customer Relationships |  |  |
Goodwill and Intangible Assets Disclosure [Line Items] |  |  |
Intangible assets, weighted-average amortization period | 3 |  |
Finite-lived trade names |  |  |
Goodwill and Intangible Assets Disclosure [Line Items] |  |  |
Intangible assets, weighted-average amortization period | 3 |  |
Maurices |  |  |
Goodwill and Intangible Assets Disclosure [Line Items] |  |  |
Impairment Charge on goodwill and Indefinite-lived Intangible Assets |  |  | $ 2.0

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- Definition Amortization of other intangible assets (for example customer relationships, proprietary technology and trade names) incurred by an entity during the reporting period. + References No definition available. + Details
Name: | asna_AmortizationOfOtherIntangibleAssets
Namespace Prefix: | asna_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | asna_GoodwillAndIntangibleAssetsDisclosureLineItems
Namespace Prefix: | asna_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The calculated weighted-average useful life of all finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16265-109275 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsWeightedAverageUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

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- Definition Total loss recognized during the period from the impairment of goodwill plus the loss recognized in the period resulting from the impairment of the carrying amount of intangible assets, other than goodwill. + References No definition available. + Details
Name: | us-gaap_GoodwillAndIntangibleAssetImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration