Fair Value Measurements - Narrative (Details) - USD ($)		3 Months Ended		6 Months Ended
	Aug. 09, 2018	Jul. 03, 2022	Jul. 04, 2021	Jul. 03, 2022	Jul. 04, 2021	Jan. 02, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities		$ 0		$ 0		$ 0
Unrealized (loss) gain on investments		(15,200,000)	$ 83,000,000	(13,900,000)	$ 38,300,000
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Retail installment contract receivables, net of current portion		80,200,000		80,200,000
Accounts receivable
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Retail installment contract receivables, net of current portion		$ 100,500,000		$ 100,500,000
Enphase Energy, Inc.
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment shares sold (in shares)				1,000,000
Shares remaining (in shares)		1,500,000		1,500,000
Enphase Shares
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Shares issuable to the company at closing of agreement (in shares)	7,500,000
Proceeds from sale of equity investment		$ 149,800,000