Fair Value of Financial Instruments (Tables)

12 Months Ended

Dec. 28, 2019

Fair Value Disclosures [Abstract]

Summary of Fair Value Measurements [Table Text Block]

Following is a summary of fair value measurements for investments as of December 28, 2019 and December 29, 2018:

	Fair Value		Level 1	Level 2	Level 3
	(Amounts are in thousands)
December 28, 2019	$	8,426,385	2,028,547	6,397,838	—
December 29, 2018	6,577,430		2,372,931	4,204,499	—