Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows — Operating activities:
Net earnings, including noncontrolling interests	$ 198,015	$ 136,182	$ 140,875
Adjustments to reconcile net earnings to net cash provided (used) by operating activities:
Depreciation	77,636	85,175	86,175
Amortization of intangible and other assets	13,317	14,647	14,578
Loss on extinguishment of debt	0	46,176	1,201
Stock-based compensation	25,530	29,478	27,252
Foreign currency, asset write downs and other non-cash adjustments	(27,758)	29,772	4,277
Change in assets and liabilities:
Accounts receivable, net	(152,011)	(8,675)	45,648
Inventories, net	(147,492)	(32,124)	15,306
Contract assets, net	(41,768)	74,333	4,258
Prepaid expenses and other assets, net	17,461	1,302	34,262
Accounts payable	78,968	(19,505)	(22,571)
Contract liabilities	61,684	14,196	(34,066)
Accrued liabilities and income taxes payable	(5,226)	(13,948)	50,203
Retirement obligations and other	(1,430)	(15,690)	3,636
Net deferred taxes	(136,936)	(91,200)	(60,497)
Net cash flows provided (used) by operating activities	(40,010)	250,119	310,537
Cash flows — Investing activities:
Capital expenditures	(76,287)	(54,936)	(57,405)
Proceeds from disposal of assets	4,422	2,663	15,705
Proceeds from termination of cross-currency swap	(66,004)	0	0
Affiliate investment activity	(225)	(7,204)	0
Net cash flows provided (used) by investing activities	(6,086)	(59,477)	(41,700)
Cash flows — Financing activities:
Payments on senior notes	0	(1,243,548)	(191,258)
Proceeds from issuance of senior notes	0	498,280	498,280
Payments on long-term debt	(32,500)	(7,500)	0
Proceeds from issuance of long-term debt	0	300,000	0
Payments of deferred loan costs	0	(6,739)	(4,572)
Proceeds from short-term financing	45,000	0	0
Payments on short-term financing	(45,000)	0	0
Proceeds under other financing arrangements	1,733	1,408	2,285
Payments under other financing arrangements	(1,790)	(2,086)	(5,088)
Payments related to tax withholding for stock-based compensation	(4,683)	(5,984)	(4,607)
Repurchases of common shares	0	(17,531)	(32,112)
Payments of dividends	(104,549)	(104,604)	(104,159)
Other	(8,223)	(11,403)	(11,182)
Net cash flows provided (used) by financing activities	(150,012)	(599,707)	147,587
Effect of exchange rate changes on cash	(27,373)	(27,757)	7,870
Net change in cash and cash equivalents	(223,481)	(436,822)	424,294
Cash and cash equivalents at beginning of year	658,452	1,095,274	670,980
Cash and cash equivalents at end of year	434,971	658,452	1,095,274
Income taxes paid (net of refunds)	60,085	65,621	75,342
Interest paid	$ 41,629	$ 72,247	$ 57,041