CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
OPERATING CASH FLOW
Net earnings (loss)	$ (401,746)	$ (366,791)	$ (1,553,122)
Adjustments to reconcile net earnings (loss) to operating cash flow:
Impairment expense - Cont Ops	43,792	102,365	286,254
Impairment expense	246,285	340,939	96,763
(Gain) loss on pension settlement	198,132	(406)	137,898
Write-off of cumulative translation loss	0	0	83,665
Depreciation	73,200	102,451	154,599
Amortization of intangibles	1,156	3,123	15,882
(Earnings) loss from equity method investments, net of distributions	(7,757)	(3,881)	9,348
(Gain) loss on sales of assets incl. AMECO-North America	(2,230)	(510)	7,284
Loss on debt repurchases	19,606	0	0
Stock-based compensation	31,971	21,882	36,075
Deferred taxes	28,563	(20,285)	320,633
Net contributions to employee pension plans	(12,302)	(20,770)	(2,325)
Changes in assets and liabilities	(196,652)	31,048	631,697
Other	3,314	(3,281)	(5,633)
Operating cash flow	25,332	185,884	219,018
INVESTING CASH FLOW
Purchases of marketable securities	(148,493)	(35,078)	(31,165)
Proceeds from sales and maturities of marketable securities	44,687	19,648	238,539
Capital expenditures	(75,073)	(113,442)	(180,842)
Proceeds from sales of assets incl. AMECO-North America	145,672	111,589	65,977
Investments in partnerships and joint ventures	(79,464)	(29,219)	(52,305)
Other	(9,198)	4,940	40,268
Investing cash flow	(121,869)	(41,562)	80,472
FINANCING CASH FLOW
Proceeds from issuance of CPS	582,000	0	0
Purchases and retirement of debt	(525,212)	0	0
Debt extinguishment costs	(1,503)	0	0
Dividends paid (on CPS in 2021 and common stock in 2020 and 2019)	(19,175)	(28,720)	(118,073)
Other borrowings (debt repayments)	(5,460)	3,881	9,093
Distributions paid to NCI	(108,798)	(23,184)	(33,674)
Capital contributions by NCI	201,847	110,051	64,646
Other	(1,447)	(13,582)	709
Financing cash flow	122,252	48,446	(77,299)
Effect of exchange rate changes on cash	(15,114)	8,814	10,262
Increase (decrease) in cash and cash equivalents	10,601	201,582	232,453
Cash and cash equivalents at beginning of year	2,198,781	1,997,199	1,764,746
Cash and cash equivalents at end of year	$ 2,209,382	$ 2,198,781	$ 1,997,199