CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Cash flows from operating activities:
Net income/(loss)	$ (70,957)	$ 70,310
Adjustments to reconcile net income/(loss) to net cash provided by operating activities:
Depreciation	61,577	61,813
Amortization	3,903	5,190
Change in deferred taxes and other liabilities	(21,864)	(7,552)
Impairment of property, plant and equipment	(390)	1,425
Non-cash interest expense	777	769
Contract loss provision	139,665	0
Compensation and benefits paid or payable in Class A Common Stock	9,882	4,438
Provision/(recovery) for credit losses from uncollected receivables and contract assets	553	40
Foreign currency remeasurement loss/(gain) on intercompany loans	7,587	2,263
Fair value adjustment on foreign currency contracts	0	1,105
Gain on sale of assets	(1,566)	(515)
Changes in operating assets and liabilities that provided/(used) cash:
Accounts receivable	2,152	17,980
Contract assets	(7,952)	(15,194)
Inventories	(5,105)	5,918
Prepaid expenses and other current assets	(3,286)	2,768
Income taxes prepaid and receivable	(13,825)	2,602
Accounts payable	18,684	7,316
Accrued liabilities	(22,887)	(8,320)
Income taxes payable	(13,022)	(11,995)
Other noncurrent liabilities	(4,307)	(17)
Other, net	(847)	(359)
Net cash provided by operating activities	78,772	139,985
Cash flows from investing activities:
Purchases of property, plant and equipment	(47,559)	(61,985)
Purchased software	(1,250)	(101)
Proceeds received from sale of assets	3,243	1,033
Net cash used in investing activities	(45,566)	(61,053)
Cash flows from financing activities:
Proceeds from borrowings	231,999	48,106
Repayment of borrowings	(82,044)	(142,691)
Purchase of Treasury shares	(170,964)	0
Taxes paid in lieu of share issuance	(2,521)	(2,832)
Dividends paid	(24,738)	(24,356)
Net cash used in financing activities	(48,268)	(121,773)
Effect of exchange rate changes on cash and cash equivalents	8,089	(3,357)
Decrease in cash and cash equivalents	(6,973)	(46,198)
Cash and cash equivalents at beginning of period	115,283	173,420
Cash and cash equivalents at end of period	$ 108,310	$ 127,222