Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Apr. 02, 2016	Dec. 31, 2015
Current Assets
Cash and cash equivalents	$ 6,439	$ 5,454
Accounts receivable, net of allowance for doubtful accounts of $294 and $359 at April 2, 2016 and December 31, 2015, respectively	77,664	77,089
Inventories	127,080	115,404
Production cost of contracts	9,667	10,290
Other current assets	8,441	13,389
Assets held for sale	0	41,636
Total Current Assets	229,291	263,262
Property and equipment, net of accumulated depreciation of $131,863 and $128,533 at April 2, 2016 and December 31, 2015, respectively	95,602	96,551
Goodwill	82,554	82,554
Intangibles, net	108,359	110,621
Deferred income taxes	353	324
Other assets	3,215	3,769
Total Assets	519,374	557,081
Current Liabilities
Current portion of long-term debt	19	26
Accounts payable	47,418	40,343
Accrued liabilities	42,496	36,458
Liabilities held for sale	0	6,780
Total Current Liabilities	89,933	83,607
Long-term debt, less current portion	186,032	240,661
Deferred income taxes	25,052	26,528
Other long-term liabilities	17,692	18,954
Total Liabilities	$ 318,709	$ 369,750
Commitments and contingencies (Notes 11, 13)
Shareholders’ Equity
Common stock - $0.01 par value; 35,000,000 shares authorized; 11,147,366 and 11,084,318 issued at April 2, 2016 and December 31, 2015, respectively	$ 111	$ 111
Additional paid-in capital	75,269	75,200
Retained earnings	131,173	117,623
Accumulated other comprehensive loss	(5,888)	(5,603)
Total Shareholders’ Equity	200,665	187,331
Total Liabilities and Shareholders’ Equity	$ 519,374	$ 557,081