Consolidated Condensed Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 89,219	$ 87,174
Receivables	78,147	65,866
Inventories:
Finished goods	25,755	25,991
Work in process	22,128	24,747
Raw materials	55,137	48,873
Total inventories	103,020	99,611
Prepaid expenses and other current assets	10,891	8,709
Total current assets	281,277	261,360
Property, plant and equipment, at cost	216,583	216,796
Less accumulated depreciation	(140,514)	(138,746)
Net property, plant and equipment	76,069	78,050
Intangible assets, at cost less accumulated amortization	61,252	64,176
Other assets	16,541	15,390
Deferred income taxes	7,512	7,529
Goodwill	103,287	104,313
Total assets	545,938	530,818
Current liabilities:
Payables	52,437	41,859
Accrued compensation and employee benefits	12,104	20,644
Warranty and after-sale costs	12,409	12,868
Other current liabilities	11,559	6,775
Total current liabilities	88,509	82,146
Other long-term liabilities	33,033	29,804
Deferred income taxes	5,214	5,385
Accrued non-pension postretirement benefits	5,079	5,214
Other accrued employee benefits	4,222	5,199
Commitments and contingencies (Note 5)
Shareholders’ equity:
Common stock	37,221	37,221
Capital in excess of par value	49,758	49,224
Reinvested earnings	362,046	353,535
Accumulated other comprehensive (loss) income	(2,179)	136
Less: Treasury stock, at cost	(36,965)	(37,046)
Total shareholders’ equity	409,881	403,070
Total liabilities and shareholders’ equity	$ 545,938	$ 530,818