Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 295,305	$ 191,782
Receivables, net of allowance for doubtful accounts	84,325	83,507
Inventories:
Finished goods	24,022	34,764
Work in process	36,705	41,261
Raw materials	82,681	77,649
Total inventories	143,408	153,674
Prepaid expenses and other current assets	17,078	13,214
Total current assets	540,116	442,177
Property, plant and equipment, at cost:
Land and improvements	9,237	9,257
Building and improvements	71,526	72,149
Machinery and equipment	152,440	144,582
Property, plant and equipment, at cost	233,203	225,988
Less accumulated depreciation	(158,943)	(152,110)
Net property, plant and equipment	74,260	73,878
Intangible assets, at cost less accumulated amortization	45,066	53,737
Other assets	12,676	11,249
Deferred income taxes	32,525	22,715
Goodwill	111,770	113,163
Total assets	816,413	716,919
Current liabilities:
Payables	55,659	81,807
Accrued compensation and employee benefits	34,912	29,871
Warranty and after-sale costs, current	7,283	11,102
Other current liabilities	20,351	9,168
Total current liabilities	118,205	131,948
Long-term deferred revenue	64,153	49,763
Deferred income taxes	3,652	5,061
Accrued non-pension postretirement benefits	3,033	3,614
Other accrued employee benefits	6,927	5,293
Warranty and after-sale costs, long-term	9,410
Other long-term liabilities	4,801	4,758
Commitments and contingencies (Note 6)
Total long-term liabilities	91,976	68,489
Shareholders’ equity:
Common stock, $1 par, authorized 80,000,000 shares, issued 37,221,098 shares in 2024 and 2023	37,221	37,221
Capital in excess of par value	65,819	59,185
Reinvested earnings	547,796	458,719
Accumulated other comprehensive loss	(7,906)	(1,646)
Less: Treasury stock, at cost, 7,810,158 shares in 2024 and 7,873,781 shares in 2023	(36,698)	(36,997)
Total shareholders’ equity	606,232	516,482
Total liabilities and shareholders’ equity	$ 816,413	$ 716,919