Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Assets
Cash and cash equivalents	$ 244,587	$ 207,430
Restricted cash	743	0
Accounts receivable, net of allowance for doubtful accounts of $607 and $514, respectively	484,648	491,957
Contract assets	185,877	183,613
Inventories	756,391	727,749
Prepaid expenses and other assets	48,809	41,392
Income taxes receivable	6	8
Total current assets	1,721,061	1,652,149
Property, plant and equipment, net	222,245	211,478
Operating lease right-of-use assets	92,657	93,081
Goodwill	192,116	192,116
Deferred income taxes	14,561	12,235
Other assets, net	64,823	66,272
Total assets	2,307,463	2,227,331
Current liabilities:
Current installments of long-term debt	3,458	4,275
Accounts payable	417,406	424,272
Advance payments from customers	185,677	197,937
Income taxes payable	14,827	12,236
Accrued liabilities	100,553	110,416
Total current liabilities	721,921	749,136
Long-term debt, less current installments	423,967	320,675
Operating lease liabilities	85,343	86,687
Other long-term liabilities	28,008	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 - 35,642 and 35,164, respectively	3,564	3,516
Additional paid-in capital	522,247	519,238
Retained earnings	534,470	519,895
Accumulated other comprehensive loss	(12,552)	(16,233)
Total shareholders’ equity	1,047,729	1,026,416
Total liabilities and shareholders' equity	$ 2,307,463	$ 2,227,331