Stock Compensation Plans and Stock Based Compensation (Details 3) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 28, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options outstanding as of December 29, 2012	19,278
Acquired options	1,495
Granted	1,042
Exercised	(2,982)
Canceled and forfeited	(1,358)
Options outstanding as of December 28, 2013	17,475
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted-Average Exercise Price, Options outstanding as of December 29, 2012	$ 10.71
Weighted Average Exercise Price Acquired Options	$ 2.46
Weighted-Average Exercise Price Granted	$ 14.21
Weighted-Average Exercise Price Exercised	$ 9.25
Weighted-Average Exercise Price Canceled and Forfeited	$ 15.88
Weighted-Average Exercise Price, Options outstanding as of December 28, 2013	$ 10.06
Summary of company stock option plans
Shares Options vested as of December 28, 2013	14,104
Shares Options vested as of, and expected to vest, after December 28, 2013	17,462
Weighted Average Exercise Price, Options vested as of December 28, 2013	$ 10.27
Weighted-Average Exercise Price, Options vested as of December 28, 2013 and options expected to vest after December 29, 2012	$ 10.06
Weighted-Average Remaining Contractual Term, Options outstanding as of December 28, 2013	3 years 4 months 20 days
Weighted-Average Remaining Contractual Term, Options vested as of December 28, 2013	2 years 10 months 5 days
Weighted-Average Remaining Contractual Term, Options vested as of December 28, 2013 and options expected to vest after December 29, 2012	3 years 4 months 20 days
Aggregate Intrinsic Value, Options outstanding as of December 28, 2013	$ 80,673
Aggregate Intrinsic Value, Options vested as of December 28, 2013	64,423
Aggregate Intrinsic Value, Options vested as of December 28, 2013 and options expected to vest after December 29, 2012	$ 80,632