Equity Investments - Related Party Transactions with Investees (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2020	Jun. 30, 2019	Jun. 28, 2020	Jun. 30, 2019	Dec. 29, 2019
Equity Method Investments and Joint Ventures [Abstract]
Accounts receivable	$ 22,400		$ 22,400		$ 23,900
Accounts payable	42,749		42,749		62,811
Accrued liabilities	4,215		4,215		11,219
Contract liabilities	27,001		27,001		$ 29,599
Payments made to investees for products/services	58,352	$ 75,497	132,633	$ 99,018
Revenues and fees received from investees for products/services	$ 43,257	$ 20,506	$ 99,192	$ 21,406