Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
ASSETS
Cash and cash equivalents	$ 171,506	$ 291,776
Accounts receivable, net	270,487	200,018
Contract assets, net	165,833	148,695
Inventories	180,991	139,050
Income taxes prepaid and receivable	6,402	7,938
Prepaid expenses and other current assets	61,155	50,962
Total current assets	856,374	838,439
Property, plant and equipment, net	566,974	445,658
Intangibles, net	44,636	33,811
Goodwill	177,398	178,217
Deferred income taxes	15,284	15,196
Noncurrent receivables, net	25,300	27,913
Other assets	104,284	103,021
Total assets	1,790,250	1,642,255
LIABILITIES AND SHAREHOLDERS' EQUITY
Accounts payable	70,105	69,707
Accrued liabilities	135,343	126,385
Current maturities of long-term debt	27,246	0
Income taxes payable	10,103	15,224
Total current liabilities	242,797	211,316
Long-term debt	463,339	439,000
Other noncurrent liabilities	141,620	108,758
Deferred taxes and other liabilities	20,861	15,638
Total liabilities	868,617	774,712
COMMITMENTS AND CONTINGENCIES (Note 15)
SHAREHOLDERS' EQUITY
Preferred stock, par value $5.00 per share; authorized 2,000,000 shares; none issued	0	0
Additional paid in capital	446,470	441,540
Retained earnings	988,602	931,318
Accumulated items of other comprehensive income:
Translation adjustments	(151,177)	(146,851)
Pension and postretirement liability adjustments	(17,389)	(15,783)
Derivative valuation adjustment	12,957	17,707
Treasury stock (Class A), at cost; 9,661,845 shares in 2023 and 9,674,542 in 2022	(364,665)	(364,923)
Total Company shareholders' equity	914,839	863,049
Noncontrolling interest	6,794	4,494
Total equity	921,633	867,543
Total liabilities and shareholders' equity	1,790,250	1,642,255
Common Class A
SHAREHOLDERS' EQUITY
Common stock	$ 41	$ 41