Segment and Geographical Information - Narrative (Details)		6 Months Ended
	Nov. 05, 2018	Jun. 28, 2020
Segment Reporting Information [Line Items]
Supply agreement, term		10 years
SunStrong Capital Holdings
Segment Reporting Information [Line Items]
Subsidiary or Equity Method Investee, Percentage Ownership Sold	0.49
Subsidiary or Equity Method Investee, Percentage Ownership Retained After Deconsolidation	0.51