Equity and Incentive Compensation Plans - Additional Information (Detail) (USD $)	3 Months Ended
May 02, 2015	May 03, 2014
Share Based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense recognized	$ 3,114,000us-gaap_ShareBasedCompensation	$ 3,890,000us-gaap_ShareBasedCompensation
Employee Stock Option
Share Based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost, unvested	1,900,000
Unrecognized compensation cost, unvested, remaining weighted-average vesting period (in years)	2 years 1 month 6 days
Restricted Stock
Share Based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost, unvested	$ 17,400,000
Unrecognized compensation cost, unvested, remaining weighted-average vesting period (in years)	2 years 7 months 6 days

This element represents the remaining weighted-average vesting periods associated with unrecognized compensation cost related to nonvested share-based payment awards outstanding as of the fiscal period ended as indicated herein.

No definition available.

+ Details

Name:	ann_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsNonvestedAwardsWeightedAveragePeriodOfRecognition
Namespace Prefix:	ann_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

+ Details

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

- Details

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

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: