Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands		9 Months Ended
		Oct. 03, 2021		Sep. 27, 2020
Cash flows from operating activities:
Net (loss) income		$ (59,036)		$ 61,374
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Depreciation and amortization		7,498		45,737
Stock-based compensation		19,776		18,788
Non-cash interest expense		4,095		5,495
Equity in losses (earnings) of unconsolidated investees		0		586
Loss (gain) on equity investments		47,238		(275,645)
(Gain) loss on retirement of convertible debt		0		(3,060)
(Gain) loss on sale of investments		(1,162)		0
(Gain) loss on business divestitures, net		(224)		(10,458)
Deferred income taxes		(4,109)		1,639
Other, net		(6,335)		1,813
Changes in operating assets and liabilities:
Accounts receivable		(4,450)		113,029
Contract assets		28,687		(22,771)
Inventories		(3,758)		(12,107)
Project assets		2,817		(11,202)
Prepaid expenses and other assets		(10,915)		(4,324)
Operating lease right-of-use assets		8,709		9,898
Advances to suppliers		(687)		16,296
Accounts payable and other accrued liabilities		(56,245)		(75,141)
Contract liabilities		(3,507)		(53,818)
Operating lease liabilities		(10,457)		(8,642)
Net cash used in operating activities		(42,065)		(202,513)
Cash flows from investing activities:
Purchases of property, plant, and equipment		(3,934)		(13,174)
Investments in software development costs		(2,468)		0
Proceeds from sale of property, plant, and equipment		900		0
Cash paid for solar power systems		(635)		(5,394)
Purchases of marketable securities		0		(1,338)
Proceeds from maturities of marketable securities		0		6,588
Cash outflow upon Maxeon Solar Spin-Off, net of proceeds		0		(140,132)
Cash received from sale of investments		1,200		0
Proceeds from business divestitures, net of de-consolidated cash		10,516		15,418
Proceeds from sale of equity investment		177,780		119,439
Proceeds from return of capital from equity investments		2,276		7,724
Net cash provided by (used in) investing activities		185,635		(10,869)
Cash flows from financing activities:
Proceeds from bank loans and other debt		123,669		183,731
Repayment of bank loans and other debt		(156,386)		(183,070)
Proceeds from issuance of non-recourse residential and commercial financing, net of issuance costs		0		13,434
Repayment of non-recourse residential and commercial financing debt		(9,798)		(7,231)
Contributions from noncontrolling interests and redeemable noncontrolling interests attributable to residential projects		0		22
Distributions to noncontrolling interests and redeemable noncontrolling interests attributable to residential projects		0		(302)
Repayment of convertible debt		(62,757)		(95,178)
Proceeds from issuance of Maxeon Solar green convertible debt		0		200,000
Receipt of contingent asset of a prior business combination		0		2,245
Issuance of common stock to executive		2,998		0
Equity offering costs paid		0		(928)
Purchases of stock for tax withholding obligations on vested restricted stock		(7,262)		(8,455)
Net cash (used in) provided by financing activities		(109,536)		104,268
Effect of exchange rate changes on cash, cash equivalents, and restricted cash		0		222
Net increase (decrease) in cash, cash equivalents, and restricted cash		34,034		(108,892)
Cash, cash equivalents, and restricted cash, Beginning of period		246,804		458,657
Cash, cash equivalents, and restricted cash, End of period		280,838		349,765
Reconciliation of cash, cash equivalents, and restricted cash to the unaudited condensed consolidated balance sheets:
Cash and cash equivalents		268,574		324,741
Restricted cash and cash equivalents, current portion		7,438	[1]	16,605
Restricted cash and cash equivalents, net of current portion		4,826	[1]	8,419
Total cash, cash equivalents, and restricted cash		280,838		349,765
Supplemental disclosure of cash flow information:
Costs of solar power systems funded by liabilities		0		598
Property, plant and equipment acquisitions funded by liabilities		2,530		36
Right-of-use assets obtained in exchange for lease obligations		15,957		21,786
Deconsolidation of right-of-use assets and lease obligations		3,340		0
Debt repaid in sale of commercial projects	[2]	5,585		0
Assumption of liabilities in connection with business divestitures		0		9,056
Holdbacks in connection with business divestitures		0		7,199
Cash paid for interest		23,734		27,587
Cash paid for income taxes		$ 20,316		$ 17,181

[1] Amounts included in the "Restricted cash and cash equivalents, current portion" and "Restricted cash and cash equivalents, net of current portion" financial statement line items on our unaudited condensed consolidated balance sheets include cash balances set aside for various financial obligations including loans, distributions, letter of credit facilities, and other projects' related cash transactions

[2] Refer to Note 5. Business Divestitures for more details.