8point3 Energy Partners LP (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 03, 2016	Mar. 29, 2015	Jan. 03, 2016
Schedule of Equity Method Investments [Line Items]
Equity method investments	$ 177,534		$ 186,405
Proceeds from 8point3 Energy Partners IPO attributable to pre-COD projects	4,887		0
Pledged Solar Assets, carrying value	77,000		78,000
Proceeds from 8point3 Energy Partners LP attributable to real estate projects and residential lease portfolio	9,968	$ 0
8Point3 Energy [Member]
Schedule of Equity Method Investments [Line Items]
Equity method investments	$ (41,000)		$ (30,900)