Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 01, 2014	Jul. 02, 2013	Jul. 01, 2014	Jul. 02, 2013	Jan. 01, 2013
Income Tax Disclosure [Abstract]
Provision (benefit) for income taxes	$ 2,378	$ (145)	$ 3,389	$ 450
Effective tax rate	40.30%	188.30%	40.60%	31.20%	41.70%
Estimated effective tax rate	41.20%		41.20%
Income tax rate	35.00%		34.00%