Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows – Operating activities:
Net earnings, including noncontrolling interests	$ 1,490	$ 59,496
Adjustments to reconcile net earnings to net cash provided (used) by operating activities:
Depreciation	22,166	23,361
Amortization of intangible and other assets	3,121	4,105
Stock-based compensation	14,311	7,609
Foreign currency, asset write downs and other non-cash adjustments	23,065	(15,454)
Change in assets and liabilities:
Accounts receivable, net	19,137	8,174
Inventories, net	(43,226)	(49,478)
Contract assets, net	(14,462)	1,631
Prepaid expenses and other assets, net	(2,493)	(5,128)
Accounts payable	(7,873)	(15,399)
Contract liabilities	15,705	5,567
Accrued liabilities and income taxes payable	12,204	11,462
Retirement obligations and other	9,738	(652)
Net deferred taxes	(5,581)	3,225
Net cash flows provided (used) by operating activities	47,302	38,519
Cash flows – Investing activities:
Capital expenditures	(17,310)	(10,638)
Proceeds from disposal of assets and other	10,737	39,211
Net cash flows provided (used) by investing activities	(6,573)	28,573
Cash flows – Financing activities:
Payments on long-term debt	0	(15,000)
Proceeds under other financing arrangements	3,250	1,660
Payments under other financing arrangements	(3,356)	(2,484)
Repurchases of common shares	32,112	0
Payments related to tax withholding for stock-based compensation	(3,137)	(2,861)
Payments of dividends	(26,023)	(24,909)
Other	(2,547)	(192)
Net cash flows provided (used) by financing activities	(63,925)	(43,786)
Effect of exchange rate changes on cash	(25,485)	(5,279)
Net change in cash and cash equivalents	(48,681)	18,027
Cash and cash equivalents at beginning of period	670,980	619,683
Cash and cash equivalents at end of period	$ 622,299	$ 637,710