Investments and Fair Value Measurements-Cash and Mkt Securities (Details 1) - USD ($) $ in Thousands	Apr. 03, 2016	Jan. 03, 2016	Mar. 29, 2015	Dec. 28, 2014
Cash, Cash Equivalents and Marketable Securities [Abstract]
Cash and Cash Equivalents	$ 3,271,927	$ 1,478,948	$ 649,940	$ 809,003
Short-term marketable securities	1,249,367	2,527,245
Long-term marketable securities	112,195	117,142
Total cash, cash equivalents and marketable securities	$ 4,633,489	$ 4,123,335