Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 29, 2018

Fair Value Disclosures [Abstract]

Fair Value Measurements for Investments [Table Text Block]

Following is a summary of fair value measurements for investments as of September 29, 2018 and December 30, 2017:

	Fair Value		Level 1	Level 2	Level 3
	(Amounts are in thousands)
September 29, 2018	$	6,853,513	2,983,110	3,870,403	—
December 30, 2017	6,433,311		2,545,320	3,887,991	—