Net Income Per Share (Details 1) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021
Potential shares of Cadence's common stock excluded
Potential common shares excluded from the computation of diluted earnings per share	2,596	406	2,189	302
Long-term market-based awards
Potential shares of Cadence's common stock excluded
Potential common shares excluded from the computation of diluted earnings per share	1,658	0	1,347	0
Options to purchase shares of common stock
Potential shares of Cadence's common stock excluded
Potential common shares excluded from the computation of diluted earnings per share	857	331	760	235
Non-vested shares of restricted stock
Potential shares of Cadence's common stock excluded
Potential common shares excluded from the computation of diluted earnings per share	81	75	82	67