Valuation And Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Allowance For Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Beginning Balance	$ 1,778	$ 1,535	$ 2,062
Additions/(Reductions) to Expense or Other Accounts	1,104	1,573	1,729
Deductions	(1,965)	(1,330)	(2,256)
Ending Balance	917	1,778	1,535
Valuation Allowance of Deferred Tax Assets [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Beginning Balance	626	469	485
Additions/(Reductions) to Expense or Other Accounts	11	177	164
Deductions	0	(20)	(180)
Ending Balance	$ 637	$ 626	$ 469