Cash, Cash Equivalents and Investments (Details 1) - USD ($) $ in Thousands	Oct. 03, 2015	Jan. 03, 2015	Sep. 27, 2014	Dec. 28, 2013
Classified as cash and cash equivalents
Cash and interest bearing deposits	$ 214,788	$ 203,665
Money market funds	401,303	728,496
Total cash and cash equivalents	$ 616,091	$ 932,161	$ 500,483	$ 536,260