Equity Investments - Summarized Financial Information of Unconsolidated VIEs (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 04, 2021	Jun. 28, 2020	Jul. 04, 2021	Jun. 28, 2020	Jan. 03, 2021
Schedule of Investments [Line Items]
Gross income (loss)	$ 61,031	$ 25,652	$ 110,905	$ 54,836
Net (loss) income	75,207	19,378	26,822	17,947
Current assets	1,061,347		1,061,347		$ 790,315
Current liabilities	408,230		408,230		529,731
SunStrong Capital Holdings, LLC | Variable Interest Entity, Not Primary Beneficiary
Schedule of Investments [Line Items]
Revenue	32,697	29,293	65,794	58,757
Gross income (loss)	1,007	(5,458)	2,221	(6,896)
Net (loss) income	2,716	$ (217)	(43,073)	$ 21,423
Current assets	90,285		90,285		93,752
Long-term assets	1,476,996		1,476,996		1,378,382
Current liabilities	58,585		58,585		48,126
Long-term liabilities	$ 1,181,709		$ 1,181,709		$ 1,130,484