Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Apr. 01, 2023	Dec. 31, 2022
Current Assets
Cash and cash equivalents	$ 17,115	$ 46,246
Accounts receivable, net of allowance for credit losses of $905 and $589 at April 1, 2023 and December 31, 2022, respectively	95,774	103,958
Contract assets	194,316	191,290
Inventories	193,999	171,211
Production cost of contracts	5,368	5,693
Other current assets	8,803	8,938
Total Current Assets	515,375	527,336
Property and Equipment, Net of Accumulated Depreciation of $175,670 and $171,507 at April 1, 2023 and December 31, 2022, respectively	107,038	106,225
Operating Lease Right-of-Use Assets	37,204	34,632
Goodwill	203,407	203,407
Intangibles, Net	123,576	127,201
Other Assets	19,478	22,705
Total Assets	1,006,078	1,021,506
Current Liabilities
Accounts payable	98,879	90,143
Contract liabilities	39,682	47,068
Accrued and other liabilities	28,800	48,820
Operating lease liabilities	7,745	7,155
Current portion of long-term debt	6,250	6,250
Total Current Liabilities	181,356	199,436
Long-Term Debt, Less Current Portion	239,128	240,595
Non-Current Operating Lease Liabilities	30,831	28,841
Deferred Income Taxes	12,250	13,953
Other Long-Term Liabilities	14,129	12,721
Total Liabilities	477,694	495,546
Commitments and Contingencies (Notes 8, 10)
Shareholders’ Equity
Common Stock - $0.01 par value; 35,000,000 shares authorized; 12,231,704 and 12,106,285 shares issued and outstanding at April 1, 2023 and December 31, 2022, respectively	122	121
Additional Paid-In Capital	111,322	112,042
Retained Earnings	411,283	406,052
Accumulated Other Comprehensive Income	5,657	7,745
Total Shareholders’ Equity	528,384	525,960
Total Liabilities and Shareholders’ Equity	$ 1,006,078	$ 1,021,506