Balance Sheet Components - Other Long-term Assets (Details) - USD ($) $ in Thousands	Jun. 28, 2020	Dec. 29, 2019
Balance Sheet Related Disclosures [Abstract]
Equity investments with readily determinable fair value	$ 249,152	$ 173,908
Equity investments without readily determinable fair value	7,481	8,661
Equity investments with fair value option	9,776	17,500
Equity method investments	25,826	26,533
Long-term inventory	51,252	48,214
Other	60,735	56,039
Other long-term assets	$ 404,222	$ 330,855