CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
OPERATING CASH FLOW
Net earnings (loss)	$ (274,712)	$ (497,745)
Adjustments to reconcile net earnings (loss) to operating cash flow:
Impairment expense - Cont Ops	297,604	39,115
Impairment expense - Disc Ops	100,000	0
Depreciation	54,540	87,871
Amortization of intangibles	2,381	9,043
(Earnings) loss from equity method investments, net of distributions	1,216	7,891
Loss on sale of investment	10,780	0
(Gain) loss on sales of property, plant and equipment	(2,575)	(3,552)
Amortization of stock-based awards	9,356	29,803
Deferred compensation trust	10,881	(34,412)
Deferred compensation obligation	(12,486)	36,593
Deferred taxes	(17,424)	(127,665)
Net retirement plan accrual (contributions)	(7,234)	(1,827)
Changes in assets and liabilities	(115,170)	541,543
Operating cash flow	6,931	4,777
Operating cash flow	64,088	91,435
INVESTING CASH FLOW
Purchases of marketable securities	(12,495)	(23,409)
Proceeds from the sales and maturities of marketable securities	6,995	164,964
Capital expenditures	(58,959)	(100,840)
Proceeds from sales of property, plant and equipment	24,348	25,179
Investments in partnerships and joint ventures	(24,022)	(27,056)
Other	4,534	5,164
Investing cash flow	(59,599)	44,002
FINANCING CASH FLOW
Dividends paid	(28,720)	(59,324)
Other borrowings	20,567	12,637
Distributions paid to NCI	(10,831)	(15,572)
Capital contributions by NCI	39,520	7,821
Taxes paid on vested restricted stock	(1,313)	(3,572)
Other	(1,435)	201
Financing cash flow	17,788	(57,809)
Effect of exchange rate changes on cash	(49,883)	14,911
Increase (decrease) in cash and cash equivalents	(27,606)	92,539
Cash and cash equivalents at beginning of period	1,997,199	1,764,746
Cash and cash equivalents at end of period	$ 1,969,593	$ 1,857,285