Net Income Per Share (Details 1) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013
Potential shares of Cadence's common stock excluded
Total potential common shares excluded	1,456	15,749	3,503	13,977
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	1,403	5,639	3,479	6,048
Non-vested shares of restricted stock
Potential shares of Cadence's common stock excluded
Total potential common shares excluded	53	3,280	24	1,099