FAIR VALUE MEASUREMENT - EBP, Investment, Fair Value and NAV (Details) - EBP 002 - USD ($)	Apr. 30, 2025	Apr. 30, 2024
EBP, Investment, Fair Value and NAV [Line Items]
Total Investments at Fair Value	$ 259,254,398	$ 232,427,740
Total
EBP, Investment, Fair Value and NAV [Line Items]
Total Investments at Fair Value	231,377,837	208,925,025
Total \| Daktronics, Inc. common stock
EBP, Investment, Fair Value and NAV [Line Items]
Total Investments at Fair Value	22,219,583	20,053,408
Total \| Equity
EBP, Investment, Fair Value and NAV [Line Items]
Total Investments at Fair Value	125,518,217	118,400,972
Total \| Fixed income
EBP, Investment, Fair Value and NAV [Line Items]
Total Investments at Fair Value	9,170,114	6,471,064
Total \| Balanced
EBP, Investment, Fair Value and NAV [Line Items]
Total Investments at Fair Value	74,469,923	63,999,581
Level 1
EBP, Investment, Fair Value and NAV [Line Items]
Total Investments at Fair Value	231,377,837	208,925,025
Level 1 \| Daktronics, Inc. common stock
EBP, Investment, Fair Value and NAV [Line Items]
Total Investments at Fair Value	22,219,583	20,053,408
Level 1 \| Equity
EBP, Investment, Fair Value and NAV [Line Items]
Total Investments at Fair Value	125,518,217	118,400,972
Level 1 \| Fixed income
EBP, Investment, Fair Value and NAV [Line Items]
Total Investments at Fair Value	9,170,114	6,471,064
Level 1 \| Balanced
EBP, Investment, Fair Value and NAV [Line Items]
Total Investments at Fair Value	74,469,923	63,999,581
Level 2
EBP, Investment, Fair Value and NAV [Line Items]
Total Investments at Fair Value	0	0
Level 2 \| Daktronics, Inc. common stock
EBP, Investment, Fair Value and NAV [Line Items]
Total Investments at Fair Value	0	0
Level 2 \| Equity
EBP, Investment, Fair Value and NAV [Line Items]
Total Investments at Fair Value	0	0
Level 2 \| Fixed income
EBP, Investment, Fair Value and NAV [Line Items]
Total Investments at Fair Value	0	0
Level 2 \| Balanced
EBP, Investment, Fair Value and NAV [Line Items]
Total Investments at Fair Value	0	0
Level 3
EBP, Investment, Fair Value and NAV [Line Items]
Total Investments at Fair Value	0	0
Level 3 \| Daktronics, Inc. common stock
EBP, Investment, Fair Value and NAV [Line Items]
Total Investments at Fair Value	0	0
Level 3 \| Equity
EBP, Investment, Fair Value and NAV [Line Items]
Total Investments at Fair Value	0	0
Level 3 \| Fixed income
EBP, Investment, Fair Value and NAV [Line Items]
Total Investments at Fair Value	0	0
Level 3 \| Balanced
EBP, Investment, Fair Value and NAV [Line Items]
Total Investments at Fair Value	0	0
NAV \| Common collective trusts \| Investment, Identifier [Axis]: Principal Stable Value Z Fund
EBP, Investment, Fair Value and NAV [Line Items]
Total Investments at Fair Value	10,304,183	9,121,101
NAV \| Common collective trusts \| Investment, Identifier [Axis]: Principal/Blackrock S&P 500 Index CIT N Fund
EBP, Investment, Fair Value and NAV [Line Items]
Total Investments at Fair Value	$ 17,572,378	$ 14,381,614