Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Assets
Cash and cash equivalents	$ 259,542	$ 207,430
Restricted cash	1,218	0
Accounts receivable, net of allowance for doubtful accounts of $960 and $514, respectively	477,685	491,957
Contract assets	190,085	183,613
Inventories	725,349	727,749
Prepaid expenses and other assets	51,838	41,392
Income taxes receivable	1,352	8
Total current assets	1,707,069	1,652,149
Property, plant and equipment, net	231,661	211,478
Operating lease right-of-use assets	122,104	93,081
Goodwill	192,116	192,116
Deferred income taxes	16,190	12,235
Other assets, net	64,005	66,272
Total assets	2,333,145	2,227,331
Current liabilities:
Current installments of long-term debt	4,281	4,275
Accounts payable	382,170	424,272
Advance payments from customers	189,058	197,937
Income taxes payable	12,823	12,236
Accrued liabilities	110,772	110,416
Total current liabilities	699,104	749,136
Long-term debt, less current installments	428,231	320,675
Operating lease liabilities	114,279	86,687
Other long-term liabilities	27,987	43,922
Deferred income taxes	495	495
Commitments and contingencies
Shareholders’ equity:
Preferred stock, $0.10 par value; 5,000 shares authorized, none issued	0	0
Common stock, $0.10 par value; 145,000 shares authorized; issued and outstanding - 35,653 and 35,164, respectively	3,565	3,516
Additional paid-in capital	525,784	519,238
Retained earnings	548,874	519,895
Accumulated other comprehensive loss	(15,174)	(16,233)
Total shareholders’ equity	1,063,049	1,026,416
Total liabilities and shareholders' equity	$ 2,333,145	$ 2,227,331