Equity and Stock Based Compensation Plans (Details 1) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 29, 2014	Dec. 28, 2013
Options, Outstanding [Roll Forward]
Number of Shares Outstanding (Options), Beginning Balance	1,909,039
Number of Shares Outstanding (Options), Exercised	(217,848)
Number of Shares Outstanding (Options), Granted	44,300
Number of Shares Outstanding (Options), Cancelled	(34,342)
Number of Shares Outstanding (Options), Ending Balance	1,701,149	1,909,039
Number of Shares Outstanding (Options), Exercisable	1,069,675
Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted Average Exercise Price, Beginning Balance (in dollars per share)	$ 13.22
Weighted Average Exercise Price, Exercised (in dollars per share)	$ 10.64
Weighted Average Exercise Price, Granted (in dollars per share)	$ 18.28
Weighted Average Exercise Price, Cancelled (in dollars per share)	$ 15.49
Weighted Average Exercise Price, Ending Balance (in dollars per share)	$ 13.64	$ 13.22
Weighted Average Exercise Price, Exercisable (in dollars per share)	$ 12.31
Weighed Average Remaining Contractual Term, Opening	4 years 0 months 11 days	4 years 0 months 7 days
Weighed Average Remaining Contractual Term, Closing	4 years 0 months 11 days	4 years 0 months 7 days
Weighed Average Remaining Contractual Term, Exercisable	3 years 2 months 5 days
Aggregate Intrinsic Value, Opening	$ 10,341
Aggregate Intrinsic Value, Closing	8,510	10,341
Aggregate Intrinsic Value, Exercisable	$ 6,772