Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 21,919	$ 12,849
Accounts receivable, net of allowance of $3,847 and $3,738, respectively	275,704	236,444
Inventories, net	204,000	176,207
Prepaid expenses and other current assets	37,578	21,467
Total current assets	539,201	446,967
Property, plant, and equipment, net	105,097	96,885
Operating lease assets	24,850	18,120
Goodwill	510,866	510,942
Acquired intangibles	145,374	141,504
Other assets	875	483
Total assets	1,326,263	1,214,901
Current liabilities:
Accounts payable	157,167	172,286
Accrued expenses and other current liabilities	82,789	67,993
Billings in excess of cost	42,412	46,711
Total current liabilities	282,368	286,990
Long-term debt	121,840	23,781
Deferred income taxes	40,257	40,278
Non-current operating lease liabilities	17,956	11,390
Other non-current liabilities	20,351	27,204
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 in 2022 and 2021; 34,034 shares and 33,799 shares issued and outstanding in 2022 and 2021	340	338
Additional paid-in capital	320,428	314,541
Retained earnings	624,630	545,572
Accumulated other comprehensive (loss) income	(6,769)	187
Treasury stock, at cost, 2,530 and 1,107 shares in 2022 and 2021	(95,138)	(35,380)
Total stockholders’ equity	843,491	825,258
Total liabilities and shareholders' equity	$ 1,326,263	$ 1,214,901