| Document and Entity Information | May 05, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | May 5, 2021 |
| Entity Registrant Name | Academy Sports & Outdoors, Inc. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-39589 |
| Entity Tax Identification Number | 85-1800912 |
| Entity Address, Address Line One | 1800 North Mason Road |
| Entity Address, City or Town | Katy |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 77449 |
| City Area Code | 281 |
| Local Phone Number | 646-5200 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0001817358 |
| Title of 12(b) Security | Common Stock, par value $0.01 per share |
| Trading Symbol | ASO |
| Security Exchange Name | NASDAQ |
