Stock-Based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2016	Apr. 03, 2015
Schedule of Employee Service Share-based Compensation [Line Items]
Share-based Compensation	$ 7,458	$ 994
Employee stock options [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Share-based Compensation	4,896	638
Restricted stock [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Share-based Compensation	225	244
Restricted stock units [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Share-based Compensation	2,280	119
Nonemployee stock options [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Share-based Compensation	$ 57	$ (7)