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Summary of Significant Accounting Policies - Additional Information (Detail) shares in Thousands |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jan. 30, 2022 USD ($) shares | Apr. 30, 2020 USD ($) | Jan. 29, 2022 USD ($) Segment shares | Jan. 30, 2021 USD ($) | Feb. 01, 2020 USD ($)
Significant Accounting Policies [Line Items] |  |  |  |  |
Number of reportable segments | Segment |  |  | 2 |  |
Decrease in interest expense |  |  | $ 34,632,000 | $ 24,610,000 | $ (6,202,000)
Increase in net income, net of tax |  |  | $ 419,629,000 | (209,274,000) | 191,257,000
Dilutive effect of convertible notes | shares |  |  | 34,003 |  |
Weighted average remaining useful life, assets |  |  | 6 years 3 months 18 days |  |
Goodwill impairment charge |  |  | $ 0 | 0 | 1,700,000
Definite-lived impairment charges |  |  | 0 | 0 |
Revenue related to gift card breakage |  |  | $ 10,300,000 | 8,800,000 | 9,500,000
Reward expiration period |  |  | 60 days |  |
Credit Card Reward Program Description |  |  | This Program features both shared and unique benefits for loyalty members and credit card holders. Under the Program, members accumulate points based on purchase activity and earn rewards by reaching certain point thresholds. Members earn rewards in the form of discount savings certificates. Prior to this launch in June 2020, under our previous program, AEO Connected™, we also offered additional rewards for key items such as jeans and bras. Rewards earned are valid through the stated expiration date, which is 60 days from the issuance date of the reward. Rewards not redeemed during the 60-day redemption period are forfeited. |  |
Prepaid advertising expense |  |  | $ 6,100,000 | 5,700,000 |
Advertising expense |  |  | $ 173,600,000 | $ 150,000,000.0 | $ 151,500,000
Convertible Senior Notes Due 2025 |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Aggregate principal amount of debt issued |  | $ 415,000,000 |  |  |
Debt instrument, maturity year |  | 2025 |  |  |
Minimum |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Definite-lived intangibles, useful life |  |  | 10 years |  |
Maximum |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Definite-lived intangibles, useful life |  |  | 15 years |  |
Accounting Standards Update 2019-12 |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Change in accounting principle, accounting standards update, adopted |  |  | true |  |
Change in accounting principle, accounting standards update, adoption date |  |  | Jan. 31, 2021 |  |
Change in accounting principle, accounting standards update, immaterial effect |  |  | true |  |
ASU 2020-06 |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Dilutive effect of convertible notes | shares |  |  | 15,000 |  |
ASU 2020-06 | Subsequent Event |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Decrease in interest expense | $ 12,000,000 |  |  |  |
Increase in net income, net of tax | $ 12,000,000 |  |  |  |
Dilutive effect of convertible notes | shares | 49,000 |  |  |  |

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