Stock-Based Compensation (Details Textual) (USD $)	0 Months Ended		1 Months Ended	12 Months Ended				0 Months Ended	12 Months Ended				1 Months Ended	12 Months Ended
	Feb. 22, 2010	Nov. 30, 2008	Dec. 27, 2008	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011	Dec. 29, 2012 Stock Options [Member]	Nov. 21, 2011 Restricted Stock Units (RSUs) [Member]	Dec. 29, 2012 Restricted Stock Units (RSUs) [Member]	Dec. 31, 2011 Restricted Stock Units (RSUs) [Member]	Dec. 29, 2012 Maximum [Member] Restricted Stock Units (RSUs) [Member]	Dec. 29, 2012 Minimum [Member] Restricted Stock Units (RSUs) [Member]	Aug. 31, 2011 2005 Equity Incentive Plan [Member]	Dec. 29, 2012 2005 Equity Incentive Plan [Member]
Stock Based Compensation (Textual) [Abstract]
RSUs granted								286,180	51,777	315,472				103,554
Period of vesting	4 years		3 years								3 years	1 year
Unrecognized compensation costs							$ 6,000,000		$ 3,000,000
Weighted average remaining amortization period for unrecognized compensation costs							2 years 3 months 18 days		1 year 10 months 2 days
Initial vesting percentage	25.00%	33.33%						10.00%
Option term			7 years
Additional shares authorized													2,000,000
Vesting percentage	2.78%		33.33%					33.33%
Shares per unit granted									2
Stock Based Compensation (Additional Textual) [Abstract]
Estimated forfeiture rate				7.60%	6.30%	8.60%
Excess tax benefit				910,000	3,915,000	801,000
Weighted average fair value per share of stock options				$ 10.00	$ 9.98	$ 6.42
Closing stock price of options				$ 14.32
Intrinsic value of options exercised				4,900,000	11,600,000	6,200,000
Fair value of options vested				$ 3,600,000	$ 2,900,000	$ 2,800,000