Net Income Per Share (Details 1) - shares shares in Thousands	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Potential shares of Cadence's common stock excluded
Total potential common shares excluded	255	642	2,183
Long-term market-based awards
Potential shares of Cadence's common stock excluded
Total potential common shares excluded	0	383	1,097
Options to purchase shares of common stock
Potential shares of Cadence's common stock excluded
Total potential common shares excluded	214	201	359
Non-vested shares of restricted stock
Potential shares of Cadence's common stock excluded
Total potential common shares excluded	41	58	727