Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 02, 2013	Jul. 03, 2012	Jul. 02, 2013	Jul. 03, 2012	Jan. 01, 2013
Operating Loss Carryforwards [Line Items]
Provision (benefit) for income taxes	$ (145)	$ 1,527	$ 450	$ 2,433
Effective tax rate			31.20%	41.20%	38.40%
Minimum [Member]
Operating Loss Carryforwards [Line Items]
Estimated effective tax rate	39.20%		39.20%