Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jul. 03, 2021	Dec. 31, 2020
Current Assets
Cash and cash equivalents	$ 12,002	$ 56,466
Accounts receivable, net (allowance for credit losses of $1,478 and $1,552 at July 3, 2021 and December 31, 2020, respectively	66,745	58,025
Contract assets	172,938	154,028
Inventories	144,604	129,223
Production cost of contracts	8,026	6,971
Other current assets	6,313	5,571
Total Current Assets	410,628	410,284
Property and equipment, net of accumulated depreciation of $174,411 and $169,742 at July 3, 2021 and December 31, 2020, respectively	109,046	109,990
Operating Lease Right-of-Use Assets	14,957	16,348
Goodwill	170,830	170,830
Intangibles, Net	118,237	124,744
Deferred Income Taxes	33	33
Other Assets	5,348	5,118
Total Assets	829,079	837,347
Current Liabilities
Accounts payable	66,545	63,980
Contract liabilities	21,870	28,264
Accrued and other liabilities	35,153	40,526
Operating lease liabilities	3,043	3,132
Current portion of long-term debt	7,000	7,000
Total Current Liabilities	133,611	142,902
Long-Term Debt, Less Current Portion	297,691	311,922
Non-Current Operating Lease Liabilities	13,078	14,555
Deferred Income Taxes	17,994	16,992
Other Long-Term Liabilities	21,235	21,642
Total Liabilities	483,609	508,013
Commitments and Contingencies
Shareholders’ Equity
Common stock - $0.01 par value; 35,000,000 shares authorized; 11,894,807 and 11,728,212 shares issued and outstanding at July 3, 2021 and December 31, 2020, respectively	119	117
Additional paid-in capital	97,616	97,090
Retained earnings	256,845	241,727
Accumulated other comprehensive loss	(9,110)	(9,600)
Total Shareholders’ Equity	345,470	329,334
Total Liabilities and Shareholders’ Equity	$ 829,079	$ 837,347