CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Assets
Cash and cash equivalents	$ 116,439	$ 173,420
Accounts receivable, net	280,008	287,781
Contract assets, net	189,242	182,281
Inventories	161,626	169,567
Income taxes prepaid and receivable	9,993	11,043
Prepaid expenses and other current assets	49,143	53,872
Total current assets	806,451	877,964
Property, plant and equipment, net	582,167	601,989
Intangibles, net	41,505	44,646
Goodwill	178,236	180,181
Deferred income taxes	27,203	22,941
Noncurrent receivables, net	0	4,392
Other assets	116,259	102,901
Total assets	1,751,821	1,835,014
Liabilities and Shareholders' Equity
Accounts payable	84,628	87,104
Accrued liabilities	129,511	142,988
Current maturities of long-term debt	2,732	4,218
Income taxes payable	7,765	14,369
Total current liabilities	224,636	248,679
Long-term debt	374,325	452,667
Other noncurrent liabilities	151,892	139,385
Deferred taxes and other liabilities	27,620	26,963
Total liabilities	778,473	867,694
Commitments and Contingencies (Note 16)
Shareholders' Equity:
Preferred stock, par value $5.00 per share; authorized 2,000,000 shares; none issued	0	0
Additional paid in capital	452,461	448,218
Retained earnings	1,046,612	1,010,942
Accumulated items of other comprehensive income:
Translation adjustments	(154,304)	(124,901)
Pension and postretirement liability adjustments	(16,718)	(17,346)
Derivative valuation adjustment	4,115	9,079
Treasury stock (Class A), at cost; 9,661,845 shares in 2024 and 2023	(364,665)	(364,665)
Total shareholders' equity	967,542	961,368
Noncontrolling interest	5,806	5,952
Total equity	973,348	967,320
Total liabilities and shareholders' equity	1,751,821	1,835,014
Common Class A
Shareholders' Equity:
Class A Common Stock, par value $0.001 per share; authorized 100,000,000 shares; 40,908,380 issued in 2024 and 40,856,910 in 2023	$ 41	$ 41