CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Assets
Cash and cash equivalents	$ 106,689	$ 115,283
Accounts receivable, net	263,132	246,688
Contract assets, net	184,961	166,557
Inventories	161,862	145,845
Income taxes prepaid and receivable	18,240	19,187
Prepaid expenses and other current assets	40,221	37,132
Total current assets	775,105	730,692
Property, plant and equipment, net	578,579	563,431
Intangibles, net	37,401	38,127
Goodwill	184,333	176,261
Deferred income taxes	35,741	28,757
Other assets	112,294	111,428
Total assets	1,723,453	1,648,696
Liabilities and Shareholders' Equity
Accounts payable	96,788	66,095
Accrued liabilities	121,330	141,904
Current maturities of long-term debt	0	0
Income taxes payable	2,644	18,367
Total current liabilities	220,762	226,366
Long-term debt	444,686	318,531
Other noncurrent liabilities	144,622	138,830
Deferred taxes and other liabilities	19,274	16,022
Total liabilities	829,344	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	456,587	452,933
Retained earnings	1,075,934	1,065,763
Accumulated items of other comprehensive income:
Translation adjustments	(125,584)	(181,555)
Pension and postretirement liability adjustments	(17,845)	(14,328)
Derivative valuation adjustment	(863)	(106)
Treasury stock (Class A), at cost; 11,515,604 shares in 2025 and 9,844,746 in 2024	(499,658)	(379,210)
Total shareholders' equity	888,612	943,538
Noncontrolling interest	5,497	5,409
Total equity	894,109	948,947
Total liabilities and shareholders' equity	1,723,453	1,648,696
Common Class A
Shareholders' Equity:
Class A Common Stock, par value $0.001 per share; authorized 100,000,000 shares; 40,983,660 issued in 2025 and 40,917,539 in 2024	$ 41	$ 41