| Cover | Jul. 23, 2022 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | Jul. 23, 2022 |
| Entity Registrant Name | Daktronics, Inc. |
| Entity Incorporation, State or Country Code | SD |
| Entity File Number | 0-23246 |
| Entity Tax Identification Number | 46-0306862 |
| Entity Address, Address Line One | 201 Daktronics Drive |
| Entity Address, City or Town | Brookings |
| Entity Address, State or Province | SD |
| Entity Address, Postal Zip Code | 57006 |
| City Area Code | 605 |
| Local Phone Number | 692-0200 |
| Written Communications | false |
| Soliciting Material | true |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Amendment Flag | false |
| Entity Central Index Key | 0000915779 |
| Common Stock | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Common Stock, No Par Value |
| Trading Symbol | DAKT |
| Security Exchange Name | NASDAQ |
| Preferred Stock | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Preferred Stock Purchase Rights |
| Trading Symbol | DAKT |
| Security Exchange Name | NASDAQ |
