Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 29, 2024	Jul. 01, 2023
Cash Flows from Operating Activities
Net Income	$ 14,573	$ 7,605
Adjustments to Reconcile Net Income to Net Cash Used in Operating Activities:
Depreciation and amortization	16,598	15,943
Non-cash operating lease cost	4,164	2,953
Inventory write down and property and equipment impairment due to restructuring	0	843
Stock-based compensation expense	8,286	8,117
Deferred income taxes	(2,586)	(2,056)
Provision for credit losses	357	473
Recognition of insurance recoveries	0	(3,886)
Other	428	444
Changes in Assets and Liabilities:
Accounts receivable	(2,250)	12,252
Contract assets	(32,628)	1,454
Inventories	(2,630)	(21,243)
Production cost of contracts	1,429	(401)
Other assets	3,669	343
Accounts payable	4,873	(8,177)
Contract liabilities	(3,458)	(15,349)
Operating lease liabilities	(4,060)	(2,471)
Accrued and other liabilities	(4,951)	(6,591)
Net Cash Provided by (Used in) Operating Activities	1,814	(9,747)
Cash Flows from Investing Activities
Purchases of property and equipment	(8,292)	(10,919)
Payments for acquisition of BLR Aerospace L.L.C., net of cash acquired	0	(114,353)
Net Cash Used in Investing Activities	(8,292)	(125,272)
Cash Flows from Financing Activities
Borrowings from senior secured revolving credit facility	20,000	133,500
Repayments of senior secured revolving credit facility	(20,000)	(99,700)
Repayments of term loans	(3,125)	(3,125)
Repayments of other debt	(172)	(165)
Proceeds from issuance of common stock in public offering, net of issuance costs	0	85,107
Net cash paid upon issuance of common stock under stock plans	(3,683)	(4,038)
Net Cash (Used in) Provided by Financing Activities	(6,980)	111,579
Net Decrease in Cash and Cash Equivalents	(13,458)	(23,440)
Cash and Cash Equivalents at Beginning of Period	42,863	46,246
Cash and Cash Equivalents at End of Period	$ 29,405	$ 22,806