Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2016	Jul. 04, 2015	Jul. 02, 2016	Jul. 04, 2015
Valuation Allowance [Line Items]
Effective Income Tax Rate, Continuing Operations	40.70%	43.60%	41.00%	43.90%
Provision for income taxes	$ 14,812	$ 16,203	$ 8,682	$ 8,357
CALIFORNIA
Valuation Allowance [Line Items]
Deferred Tax Assets, Valuation Allowance	3,900		3,900
SOUTH CAROLINA
Valuation Allowance [Line Items]
Deferred Tax Assets, Valuation Allowance	900		900
CANADA
Valuation Allowance [Line Items]
Deferred Tax Assets, Valuation Allowance	1,500		1,500
Maximum [Member]
Valuation Allowance [Line Items]
Unrecognized Tax Benefits, Period Increase (Decrease)	$ 100		$ 200