Net Income Per Share (Details 1) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Jan. 01, 2022
Potential shares of Cadence's common stock excluded
Total potential common shares excluded	1,958	2,369	255
Long-term market-based awards
Potential shares of Cadence's common stock excluded
Total potential common shares excluded	1,381	1,565	0
Options to purchase shares of common stock
Potential shares of Cadence's common stock excluded
Total potential common shares excluded	345	716	214
Non-vested shares of restricted stock
Potential shares of Cadence's common stock excluded
Total potential common shares excluded	232	88	41