SUPPLEMENTAL FINANCIAL INFORMATION (Details 5) - USD ($) $ in Thousands	Oct. 03, 2015	Jan. 03, 2015
Accrued Expenses and Other Current Liabilities
Deferred revenue	$ 12,246	$ 13,032
Deferred lease liability	4,743	5,094
Short-term accrued warranty obligations	3,254	3,324
Accrued third party commissions	1,551	1,395
Accrued income taxes	1,445	2,219
Other	7,546	6,733
Accrued expenses and other current liabilities, total	$ 30,785	$ 31,797