Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jul. 01, 2014	Jun. 30, 2015	Jul. 01, 2014	Dec. 30, 2014
Income Tax Contingency [Line Items]
Provision (benefit) for income taxes	$ 1,756	$ 2,378	$ (39)	$ 3,389
Effective tax rate	36.50%	40.30%	14.30%	40.60%
Income tax rate	34.00%	35.00%
Estimated effective tax rate					38.00%
Minimum [Member]
Income Tax Contingency [Line Items]
Estimated effective tax rate	39.00%		39.00%
Maximum [Member]
Income Tax Contingency [Line Items]
Estimated effective tax rate	40.00%		40.00%