Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Cash flows — Operating activities:
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 391,539	$ 217,716
Adjustments to reconcile net earnings to net cash provided by operating activities
Depreciation	58,685	56,765
Amortization of intangible and other assets	14,009	6,482
Loss on sale of business	0	12,981
Stock-based compensation	25,787	24,608
Foreign currency, asset write downs and other non-cash adjustments	(3,326)	11,580
Change in assets and liabilities:
Accounts receivable, net	(26,081)	(96,402)
Inventories	26,727	2,944
Contract assets, net	(35,157)	(23,293)
Prepaid expenses and other assets, net	(7,362)	3,505
Accounts payable	31,158	24,654
Contract liabilities	(17,857)	8,466
Accrued liabilities	(30,488)	(33,850)
Retirement obligations and other liabilities	31,900	8,696
Net deferred taxes	46,524	3,108
Net cash flows provided by operating activities	506,058	227,960
Cash flows — Investing activities:
Capital expenditures	(45,534)	(52,169)
Proceeds from disposal of assets	1,067	612
Proceeds from termination of cross-currency swap	0	(2,555)
Net cash flows (used) by investing activities	(44,467)	(54,112)
Cash flows — Financing activities:
Payments on term loan	(28,125)	(45,000)
Proceeds under revolving credit facility	50,000	100,000
Payments under revolving credit facility	(50,000)	(50,000)
Payments under other financing arrangements	10,562	1,001
Payments related to tax withholding for stock-based compensation	(3,310)	(784)
Repurchases of common shares	(197,920)	(20,070)
Payments of dividends	(11,584)	(9,407)
Other	(82,671)	(82,848)
Contingent consideration payment related to acquired business	(15,000)	0
Proceeds from (Payment for) Other Financing Activity	(2,899)	(272)
Net cash flows (used) by financing activities	(330,947)	(107,380)
Effect of exchange rate changes on cash and cash equivalents	27,762	(401)
Net change in cash and cash equivalents	158,406	66,067
Cash and cash equivalents at beginning of period	675,441	545,678
Cash and cash equivalents at end of period	$ 833,847	$ 611,745