CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Assets
Cash and cash equivalents	$ 108,310	$ 115,283
Accounts receivable, net	258,503	246,688
Contract assets, net	140,259	166,557
Inventories	159,664	145,845
Income taxes prepaid and receivable	33,037	19,187
Prepaid expenses and other current assets	40,758	37,132
Total current assets	740,531	730,692
Property, plant and equipment, net	573,233	563,431
Intangibles, net	36,098	38,127
Goodwill	184,291	176,261
Deferred income taxes	57,236	28,757
Other assets	110,205	111,428
Total assets	1,701,594	1,648,696
Liabilities and Shareholders' Equity
Accounts payable	85,994	66,095
Accrued liabilities	222,434	141,904
Income taxes payable	7,964	18,367
Total current liabilities	316,392	226,366
Long-term debt	480,631	318,531
Other noncurrent liabilities	140,764	138,830
Deferred taxes and other liabilities	18,800	16,022
Total liabilities	956,587	699,749
Commitments and Contingencies (Note 17)
Shareholders' Equity:
Preferred stock, par value $5.00 per share; authorized 2,000,000 shares; none issued	0	0
Additional paid in capital	460,294	452,933
Retained earnings	970,435	1,065,763
Accumulated items of other comprehensive income:
Translation adjustments	(123,189)	(181,555)
Pension and postretirement liability adjustments	(17,372)	(14,328)
Derivative valuation adjustment	(737)	(106)
Treasury stock (Class A), at cost; 12,325,515 shares in 2025 and 9,844,746 in 2024	(550,174)	(379,210)
Total shareholders' equity	739,298	943,538
Noncontrolling interest	5,709	5,409
Total equity	745,007	948,947
Total liabilities and shareholders' equity	1,701,594	1,648,696
Common Class A
Shareholders' Equity:
Class A Common Stock, par value $0.001 per share; authorized 100,000,000 shares; 40,989,106 issued in 2025 and 40,917,539 in 2024	$ 41	$ 41