Revenue from Contracts with Customers - Contract Assets and Liabilities Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2023	Jul. 03, 2022	Jul. 02, 2023	Jul. 03, 2022
Disaggregation of Revenue [Line Items]
Revenue recognized	$ 82.1	$ 40.0	$ 91.4	$ 38.1
Solar power systems and components
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, amount	$ 755.4		$ 755.4
Modules and components | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-04-03
Disaggregation of Revenue [Line Items]
Expected timing of satisfaction, period	12 months		12 months