Employee Stock Based Compensation - Summary of the Status of Stock Options (Detail) (USD $)	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Number of Shares, Outstanding Beginning balance	7,219,145
Number of Shares, Granted		673,390	35,000
Number of Shares, Exercised	(1,922,167)	(66,838)	0
Number of Shares, Forfeited/Expired	(92,409)
Number of Shares, Outstanding Ending balance	5,204,569	7,219,145
Number of Shares, Exercisable Balance	2,970,640
Weighted Average Exercise Price, Outstanding Beginning balance	$ 1.95
Weighted Average Exercise Price, Granted		$ 2.42	$ 2.21
Weighted Average Exercise Price, Exercised	$ 1.86
Weighted Average Exercise Price, Forfeited/Expired	$ 2.02
Weighted Average Exercise Price, Outstanding Ending balance	$ 1.97	$ 1.95
Weighted Average Exercise Price, Exercisable Balance	$ 1.90
Weighted Average Remaining Life, Outstanding Balance	6 years
Weighted Average Remaining Life, Exercisable Balance	5 years 6 months