Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 29, 2015	Sep. 30, 2014	Sep. 29, 2015	Sep. 30, 2014	Dec. 30, 2014
Income Tax Contingency [Line Items]
(Benefit) provision for income taxes	$ (5,872)	$ 1,990	$ (5,911)	$ 5,380
Effective tax rate	37.40%	40.30%	38.30%	40.50%
Income tax rate	34.00%	35.00%
Estimated effective tax rate					38.00%
Minimum [Member]
Income Tax Contingency [Line Items]
Estimated effective tax rate	38.00%		38.00%
Maximum [Member]
Income Tax Contingency [Line Items]
Estimated effective tax rate	39.00%		39.00%