Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 28, 2020	Dec. 31, 2019
Current Assets
Cash and cash equivalents	$ 65,599	$ 39,584
Accounts receivable, net (allowance for credit losses of $1,418 and $1,321 at March 28, 2020 and December 31, 2019, respectively)	81,627	67,133
Contract assets	117,213	106,670
Inventories	119,751	112,482
Production cost of contracts	7,859	9,402
Other current assets	4,733	5,497
Total Current Assets	396,782	340,768
Property and Equipment, Net of Accumulated Depreciation of $158,711 and $162,920 at March 28, 2020 and December 31, 2019, respectively	114,732	115,216
Operating Lease Right-of-Use Assets	18,519	19,105
Goodwill	170,890	170,917
Intangibles, Net	134,532	138,362
Non-Current Deferred Income Taxes	60	55
Other Assets	6,322	6,006
Total Assets	841,837	790,429
Current Liabilities
Accounts payable	76,970	82,597
Contract liabilities	27,878	14,517
Accrued and other liabilities	28,048	37,620
Operating lease liabilities	3,049	2,956
Current portion of long-term debt	7,000	7,000
Total Current Liabilities	142,945	144,690
Long-Term Debt, Less Current Portion	343,625	300,887
Non-Current Operating Lease Liabilities	16,937	17,565
Non-Current Deferred Income Taxes	18,147	16,766
Other Long-Term Liabilities	17,756	17,721
Total Liabilities	539,410	497,629
Commitments and Contingencies (Notes 9, 11)
Shareholders’ Equity
Common stock - $0.01 par value; 35,000,000 shares authorized; 11,648,617 and 11,572,668 shares issued and outstanding at March 28, 2020 and December 31, 2019, respectively	116	116
Additional paid-in capital	89,820	88,399
Retained earnings	220,483	212,553
Accumulated other comprehensive loss	(7,992)	(8,268)
Total Shareholders’ Equity	302,427	292,800
Total Liabilities and Shareholders’ Equity	$ 841,837	$ 790,429