Consolidated Condensed Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 128,361	$ 138,052
Receivables	84,246	76,651
Inventories:
Finished goods	28,427	31,350
Work in process	27,920	23,577
Raw materials	75,997	64,929
Total inventories	132,344	119,856
Prepaid expenses and other current assets	15,892	13,273
Total current assets	360,843	347,832
Property, plant and equipment, at cost	224,916	220,945
Less accumulated depreciation	(150,391)	(147,403)
Net property, plant and equipment	74,525	73,542
Intangible assets, at cost less accumulated amortization	59,511	53,607
Other assets	11,927	14,048
Deferred income taxes	12,829	12,757
Goodwill	113,768	101,261
Total assets	633,403	603,047
Current liabilities:
Payables	79,549	71,440
Accrued compensation and employee benefits	11,984	20,513
Warranty and after-sale costs	9,569	9,606
Other current liabilities	14,684	8,753
Total current liabilities	115,786	110,312
Other long-term liabilities	44,687	37,808
Deferred income taxes	6,744	4,648
Accrued non-pension postretirement benefits	3,859	3,917
Other accrued employee benefits	4,290	3,940
Commitments and contingencies (Note 5)
Shareholders’ equity:
Common stock	37,221	37,221
Capital in excess of par value	54,245	53,282
Reinvested earnings	407,979	395,155
Accumulated other comprehensive loss	(4,258)	(5,983)
Less: Treasury stock, at cost	(37,150)	(37,253)
Total shareholders’ equity	458,037	442,422
Total liabilities and shareholders’ equity	$ 633,403	$ 603,047