XML 88 R71.htm IDEA: XBRL DOCUMENT
v3.20.4

Retirement Plan and Employee Stock Purchase Plan - Additional Information (Detail) - USD ($) | 12 Months Ended
--- | ---
Jan. 30, 2021 | Feb. 01, 2020 | Feb. 02, 2019
Defined Benefit Plan Disclosure [Line Items] |  |  |
Employee contribution percentage | 3.00% |  |
Years of age attained | 20 years 6 months |  |
Vesting percentage in matching contribution to defined contribution plan | 100.00% |  |
Vesting period in matching contribution to defined contribution plan | 2 years |  |
Compensation expense | $ 13,300,000 | $ 11,500,000 | $ 12,100,000
First 3 Percent of Each Participant's Contributions |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Matching contribution to defined contribution plan | 100.00% |  |
Next 3 Percent of Each Participant's Contributions |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Matching contribution to defined contribution plan | 25.00% |  |
Full-time employees |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Periods of service to be eligible | 30 days |  |
Part-time employees |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Periods of service to be eligible | 1000 hours |  |
Defined Contribution Pension Plan 401k | Maximum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Employee contribution percentage | 50.00% |  |
Employee Stock Purchase Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Periods of service to be eligible | 60 days |  |
Employee Stock Purchase Plan | Maximum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Matching investment per pay period | $ 100 |  |
Employee Stock Purchase Plan | Minimum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Qualifying age | 18 years |  |
Matching percent of investment | 15.00% |  |

X
- Definition Company match on qualified employee stock purchases. + References No definition available. + Details
Name: | aeo_CompanyMatchOnQualifiedEmployeeStockPurchases
Namespace Prefix: | aeo_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Defined benefit plan, qualifying age. + References No definition available. + Details
Name: | aeo_DefinedBenefitPlanQualifyingAge
Namespace Prefix: | aeo_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Defined benefit plan, service period. + References No definition available. + Details
Name: | aeo_DefinedBenefitPlanServicePeriod
Namespace Prefix: | aeo_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Defined contribution plan, employee contributions, percentage of eligible compensation. + References No definition available. + Details
Name: | aeo_DefinedContributionPlanEmployeeContributionsPercentageOfEligibleCompensation
Namespace Prefix: | aeo_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Defined contribution plan, employers matching contribution vesting period. + References No definition available. + Details
Name: | aeo_DefinedContributionPlanEmployersMatchingContributionVestingPeriod
Namespace Prefix: | aeo_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The compensation expense recognized during the period pertaining to the deferred compensation arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 30 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363 + Details
Name: | us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Minimum period the individual is required to perform services to be fully vested under the deferred compensation arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6409961&loc=d3e20487-108367 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_DeferredCompensationArrangementWithIndividualRequisiteServicePeriod1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of contribution received by defined benefit plan from employer which increases plan assets. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2709-114920 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4587-114921 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
Name: | us-gaap_DefinedBenefitPlanContributionsByEmployer
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of employer's matching contributions to a defined contribution plan that vests in a given year. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | aeo_DefinedContributionPlansDisclosureAxis=aeo_FirstThreePercentOfEachParticipantsContributionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | aeo_DefinedContributionPlansDisclosureAxis=aeo_SecondThreePercentOfEachParticipantsContributionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_TitleOfIndividualAxis=aeo_SalariedEmployeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_TitleOfIndividualAxis=aeo_PartTimeEmployeeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DeferredCompensationArrangementWithIndividualPostretirementBenefitsByTypeOfDeferredCompensationAxis=aeo_DefinedContributionPensionPlanFourZeroOneKMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DeferredCompensationArrangementWithIndividualPostretirementBenefitsByTypeOfDeferredCompensationAxis=aeo_EmployeeStockPurchasePlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |