Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows – Operating activities:
Net earnings, including noncontrolling interests	$ 77,915	$ 29,996
Adjustments to reconcile net earnings (loss) to net cash provided (used) by operating activities:
Depreciation	19,326	18,928
Amortization of intangible and other assets	2,254	2,663
Stock-based compensation	8,657	9,953
Foreign currency, asset write downs and other non-cash adjustments	1,189	(2,728)
Change in assets and liabilities:
Accounts receivable, net	(39,687)	(26,249)
Inventories	(11,452)	(70,721)
Contract assets, net	(8,051)	4,325
Prepaid expenses and other, net	(16,001)	(16,019)
Accounts payable	5,053	7,008
Contract liabilities	(6,372)	32,676
Accrued liabilities	30,917	35,374
Retirement obligations and other liabilities	(2,426)	9,477
Net deferred taxes	935	(8,095)
Net cash flows provided (used) by operating activities	62,257	26,588
Cash flows – Investing activities:
Capital expenditures	(13,610)	(15,318)
Other	24	(1,138)
Net cash flows provided (used) by investing activities	(13,586)	(16,456)
Cash flows – Financing activities:
Payments on term loan	(15,000)	(10,000)
Proceeds under other financing arrangements	72	78
Payments under other financing arrangements	(25)	(1,515)
Repurchases of common shares	(2,549)	0
Payments related to tax withholding for stock-based compensation	(8,857)	(5,850)
Payments of dividends	(27,654)	(26,229)
Other	(201)	(303)
Net cash flows provided (used) by financing activities	(54,214)	(43,819)
Effect of exchange rate changes on cash and cash equivalents	(8,154)	3,442
Net change in cash and cash equivalents	(13,697)	(30,245)
Cash and cash equivalents at beginning of period	545,678	434,971
Cash and cash equivalents at end of period	$ 531,981	$ 404,726