Stock-Based Compensation (Details 2) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 28, 2013
Schedule of Employee Service Share-based Compensation [Line Items]
Options, Outstanding at December 28, 2012, Shares	3,376
Options, Granted, shares	497
Options, Exercised, Shares	(188)
Options, Forfeited or expired, Shares	(25)
Options, Outstanding at June 28, 2013, Shares	3,660
Options, Exercisable at June 28, 2013, Shares	2,457
Restricted Stock [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Options, Outstanding at December 28, 2012, Shares	205
Options, Granted, shares	153
Options, Exercised, Shares	(17)
Options, Forfeited or expired, Shares	0
Options, Outstanding at June 28, 2013, Shares	341
Options, Exercisable at June 28, 2013, Shares	0
Warrant [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Options, Outstanding at December 28, 2012, Shares	1,470
Options, Granted, shares	0
Options, Exercised, Shares	0
Options, Forfeited or expired, Shares	(70)
Options, Outstanding at June 28, 2013, Shares	1,400
Options, Exercisable at June 28, 2013, Shares	1,400