Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Assets
Cash and cash equivalents	$ 207,430	$ 271,749
Accounts receivable, net of allowance for doubtful accounts of $514 and $788, respectively	491,957	355,883
Contract assets	183,613	155,243
Inventories	727,749	523,240
Prepaid expenses and other assets	41,392	41,688
Income taxes receivable	8	341
Total current assets	1,652,149	1,348,144
Property, plant and equipment, net	211,478	186,666
Operating lease right-of-use assets	93,081	99,158
Goodwill	192,116	192,116
Deferred income taxes	12,235	5,972
Other assets, net	66,272	71,824
Total assets	2,227,331	1,903,880
Current liabilities:
Current installments of long-term debt	4,275	985
Accounts payable	424,272	426,555
Advance payments from customers	197,937	118,124
Income taxes payable	12,236	6,164
Accrued liabilities	110,416	102,554
Total current liabilities	749,136	654,382
Long-term debt, less current installments	320,675	129,289
Operating lease liabilities	86,687	90,878
Other long-term liabilities	43,922	55,445
Deferred income taxes	495	84
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 - 35,164 and 35,213, respectively	3,516	3,521
Additional paid-in capital	519,238	507,447
Retained earnings	519,895	479,992
Accumulated other comprehensive loss	(16,233)	(17,158)
Total shareholders’ equity	1,026,416	973,802
Total liabilities and shareholders' equity	$ 2,227,331	$ 1,903,880