Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands		6 Months Ended
		Jun. 28, 2020	Jun. 30, 2019
Cash flows from operating activities:
Net income		$ 16,260	$ 5,509
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization		33,810	46,724
Non-cash restructuring charges		0	2,346
Bad debt expense		3,566	1,661
Stock-based compensation		12,746	11,936
Non-cash interest expense		3,748	4,925
Equity in losses of unconsolidated investees		644	283
Gain on equity investments		(120,214)	(100,500)
Gain on retirement of convertible debt		(2,956)	0
Gain on business divestiture		(10,458)	(143,400)
Deferred income taxes		1,032	2,044
Impairment of property, plant and equipment		0	777
Gain on sale and impairment of residential lease assets		429	25,954
Changes in operating assets and liabilities:
Accounts receivable		58,909	(50,292)
Contract assets		(2,869)	7,409
Inventories		(6,725)	(62,104)
Project assets		(11,905)	(6,198)
Prepaid expenses and other assets		28,038	(15,485)
Operating lease right-of-use assets		7,786	(8,780)
Long-term financing receivables, net		0	(954)
Advances to suppliers		12,029	24,774
Accounts payable and other accrued liabilities		(126,236)	11,199
Contract liabilities		(50,454)	3,418
Operating lease liabilities		(6,022)	8,663
Net cash used in operating activities		(158,842)	(230,091)
Cash flows from investing activities:
Purchases of property, plant and equipment		(10,805)	(18,204)
Cash paid for solar power systems		(2,647)	(43,323)
Proceeds from business divestiture, net of de-consolidated cash2	[1]	15,417	40,491
Proceeds from sale of equity investment and return of capital by an unconsolidated investee		46,149	0
Proceeds from sale of property, plant and equipment		0	228
Proceeds from sale of investments		7,724	0
Cash paid for equity investments with fair value option		0	(10,000)
Net cash provided by (used in) investing activities		55,838	(30,808)
Cash flows from financing activities:
Proceeds from bank loans and other debt		121,498	143,666
Repayment of bank loans and other debt		(119,335)	(125,060)
Proceeds from issuance of non-recourse residential financing, net of issuance costs		0	65,731
Repayment of non-recourse residential financing		0	(1,156)
Contributions from noncontrolling interests and redeemable noncontrolling interests attributable to residential projects		0	29,577
Distributions to noncontrolling interests and redeemable noncontrolling interests attributable to residential projects		0	(316)
Proceeds from issuance of non-recourse power plant and commercial financing, net of issuance costs		10,644	0
Cash paid for repurchase of convertible debt		(87,141)	0
Settlement of contingent consideration arrangement, net of cash received		2,234	(2,448)
Equity offering costs paid		(928)	0
Payment for prior business combination		0	(9,000)
Purchases of stock for tax withholding obligations on vested restricted stock		(8,381)	(4,365)
Net cash provided by (used in) financing activities		(81,409)	96,629
Effect of exchange rate changes on cash, cash equivalents, restricted cash and restricted cash equivalents		114	259
Net decrease in cash, cash equivalents, restricted cash and restricted cash equivalents		(184,299)	(164,011)
Cash, cash equivalents, restricted cash and restricted cash equivalents, beginning of period		458,657	363,763
Cash, cash equivalents, restricted cash and restricted cash equivalents, end of period	[2]	274,358	199,752
Non-cash transactions:
Costs of solar power systems sourced from existing inventory		0	21,173
Costs of solar power systems funded by liabilities		1,716	4,529
Property, plant and equipment acquisitions funded by liabilities		5,452	22,560
Right-of-use assets obtained in exchange for lease obligations	[3]	13,424	94,805
Derecognition financing obligations upon business divestitures		0	590,884
Assumption of liabilities in connection with sale	[4]	9,085	0
Receivables in connection with business divestiture	[4]	7,199	2,425
Aged supplier financing balances reclassified from accounts payable to short-term debt		23,933	$ 0
De-consolidated cash amount		$ 600

[1] Amount for the six months ended June 28, 2020 is net of de-consolidated cash of $0.6 million

[2] "Cash, cash equivalents, restricted cash and restricted cash equivalents" balance consisted of "cash and cash equivalents", "restricted cash and cash equivalents, current portion" and "restricted cash and cash equivalents, net of current portion" financial statement line items on the condensed consolidated balance sheets for the respective periods.

[3] Amounts for the six months ended June 30, 2019 include the transition adjustment for the adoption of Accounting Standards Update ("ASU") No. 2016-02, Leases (Topic 842), as amended ("ASC 842") and additional Right-of-Use ("ROU") asset additions.

[4] See Note 4.