Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 27, 2020	Dec. 31, 2019
Current Assets
Cash and cash equivalents	$ 70,828	$ 39,584
Accounts receivable, net (allowance for credit losses of $1,318 and $1,321 at June 27, 2020 and December 31, 2019, respectively	67,518	67,133
Contract assets	122,877	106,670
Inventories	128,609	112,482
Production cost of contracts	7,351	9,402
Other current assets	4,548	5,497
Total Current Assets	401,731	340,768
Property and equipment, net of accumulated depreciation of $169,721 and $162,920 at June 27, 2020 and December 31, 2019, respectively	113,765	115,216
Operating Lease Right-of-Use Assets	17,789	19,105
Goodwill	170,907	170,917
Intangibles, Net	131,224	138,362
Deferred Income Taxes	59	55
Other Assets	6,162	6,006
Total Assets	841,637	790,429
Current Liabilities
Accounts payable	69,068	82,597
Contract liabilities	27,082	14,517
Accrued and other liabilities	29,122	37,620
Operating lease liabilities	3,094	2,956
Current portion of long-term debt	7,000	7,000
Total Current Liabilities	135,366	144,690
Long-Term Debt, Less Current Portion	341,975	300,887
Non-Current Operating Lease Liabilities	16,155	17,565
Deferred Income Taxes	18,755	16,766
Other Long-Term Liabilities	19,779	17,721
Total Liabilities	532,030	497,629
Commitments and Contingencies (Notes 8, 10)
Shareholders’ Equity
Common stock - $0.01 par value; 35,000,000 shares authorized; 11,683,131 and 11,572,668 shares issued and outstanding at June 27, 2020 and December 31, 2019, respectively	117	116
Additional paid-in capital	91,645	88,399
Retained earnings	225,573	212,553
Accumulated other comprehensive loss	(7,728)	(8,268)
Total Shareholders’ Equity	309,607	292,800
Total Liabilities and Shareholders’ Equity	$ 841,637	$ 790,429