Net Income Per Share (Details 1) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
Potential shares of Cadence's common stock excluded
Total potential common shares excluded	4,407	12,600	4,526	13,092
2013 Warrants
Potential shares of Cadence's common stock excluded
Total potential common shares excluded	0	6,830	0	6,830
Options to purchase shares of common stock
Potential shares of Cadence's common stock excluded
Total potential common shares excluded	4,399	5,752	4,517	6,253
Non-vested shares of restricted stock
Potential shares of Cadence's common stock excluded
Total potential common shares excluded	8	18	9	9