Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 228,879	$ 99,426
Trade receivables, net of allowance of $5,418 and $5,351, respectively	206,842	172,736
Costs in excess of billings, net	(41,603)	(51,814)
Inventories, net	138,171	120,503
Prepaid expenses and other current assets	26,796	17,772
Total current assets	642,291	462,251
Property, plant, and equipment, net	109,811	107,603
Operating lease assets	39,153	44,918
Goodwill	511,941	513,383
Acquired intangibles	118,983	125,980
Other assets	2,411	2,316
Total assets	1,424,590	1,256,451
Current liabilities:
Accounts payable	163,295	92,124
Accrued expenses	89,510	88,719
Billings in excess of cost	53,788	44,735
Total current liabilities	306,593	225,578
Deferred income taxes	56,497	57,103
Non-current operating lease liabilities	30,990	35,989
Other non-current liabilities	27,277	22,783
Stockholders’ equity:
Preferred stock, $0.01 par value; authorized 10,000 shares; none outstanding	0	0
Common stock, $0.01 par value; authorized 100,000 shares; 34,298 and 34,219 shares issued and outstanding in 2024 and 2023	343	342
Additional paid-in capital	341,306	332,621
Retained earnings	829,694	738,511
Accumulated other comprehensive loss	(2,793)	(2,114)
Cost of 3,944 and 3,778 common shares held in treasury in 2024 and 2023	(165,317)	(154,362)
Total stockholders’ equity	1,003,233	914,998
Total liabilities and shareholders' equity	$ 1,424,590	$ 1,256,451