CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 20,444	$ 31,040
Marketable securities	0	12,619
Accounts receivable, net of allowance for doubtful accounts of $2,429 and $1,955, respectively	104,697	106,205
Inventories	172,113	166,712
Prepaid expenses and other	10,187	10,236
Total current assets	307,441	326,812
Property, plant and equipment	226,327	223,683
Less - accumulated depreciation	(97,299)	(94,416)
Property, plant and equipment, net	129,028	129,267
Goodwill	141,725	141,725
Purchased intangible assets, net	189,966	195,260
Deferred tax assets	7,718	6,738
Other assets	84,142	84,693
Total assets	860,020	884,495
Current liabilities:
Accounts payable	50,892	40,202
Accrued expenses	13,106	10,830
Accrued income taxes	14,451	12,810
Accrued employee compensation and benefits	11,797	16,918
Contract liabilities	19,177	21,621
Current portion of long-term debt	2,500	15,000
Other current liabilities	9,285	9,080
Total current liabilities	121,208	126,461
Long-term debt	85,509	100,851
Deferred tax liabilities	2,390	1,956
Other long-term liabilities	53,919	57,172
Total liabilities	263,026	286,440
Commitments and contingencies
Redeemable noncontrolling interest	187,080	187,760
Stockholders’ equity
Preferred stock, $0.05 par value; 4,000,000 shares authorized; no issued and outstanding shares	0	0
Common stock, $0.05 par value; 50,000,000 shares authorized; 20,704,004 and 20,467,495 shares issued, respectively	1,035	1,023
Additional paid-in capital	315,233	313,833
Retained earnings	146,860	146,604
Other cumulative comprehensive loss	(27,539)	(26,426)
Treasury stock, at cost, and company stock held for deferred compensation, at par; 721,730 and 689,700 shares, respectively	(25,675)	(24,739)
Total stockholders’ equity	409,914	410,295
Total liabilities, redeemable noncontrolling interest, and stockholders’ equity	$ 860,020	$ 884,495