Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Valuation Allowance [Line Items]
Deferred Tax Assets, Valuation Allowance	$ 637	$ 626
Gross unrecognized tax benefits	2,735	$ 3,726	$ 10,916
Interest and penalties related to unrecognized tax benefits in noncurrent liabilities	900
Amount, if recognized, that affects the effective tax rate	2,500
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	600
Unrecognized Tax Benefits, Income Tax Penalties Accrued	300
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	500
State and Local Jurisdiction [Member]
Valuation Allowance [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	$ 3,600