Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Oct. 01, 2022	Oct. 02, 2021
Cash Flows from Operating Activities
Net Income	$ 20,708	$ 24,702
Adjustments to Reconcile Net Income to Net Cash Provided by (Used in) Operating Activities:
Depreciation and amortization	23,335	21,112
Non-cash operating lease cost	5,184	2,586
Inventory write down and property and equipment impairment due to restructuring	1,018	0
Stock-based compensation expense	7,904	8,149
Deferred income taxes	(6,981)	1,403
Recovery of credit losses	(483)	(65)
Noncash loss on extinguishment of debt	295	0
Other	603	531
Changes in Assets and Liabilities:
Accounts receivable	(21,584)	(11,715)
Contract assets	(18,091)	(28,731)
Inventories	(21,690)	(14,956)
Production cost of contracts	276	(1,481)
Other assets	(139)	(2,678)
Accounts payable	23,166	2,074
Contract liabilities	(8,020)	(4,990)
Operating lease liabilities	(4,700)	(2,545)
Accrued and other liabilities	(171)	(5,667)
Net Cash Provided by (Used in) Operating Activities	630	(12,271)
Cash Flows from Investing Activities
Purchases of property and equipment	(14,365)	(10,798)
Proceeds from sale of assets	51	551
Proceeds from life insurance	0	439
Post closing cash received from the acquisition of Magnetic Seal LLC, net	365	0
Net Cash Used in Investing Activities	(13,949)	(9,808)
Cash Flows from Financing Activities
Borrowings from senior secured revolving credit facility	4,000	21,000
Repayments of senior secured revolving credit facility	(4,000)	(36,000)
Borrowings from term loans	250,000	0
Repayments of term loans	(287,712)	(6,176)
Repayments of other debt	(246)	(266)
Debt issuance costs	(2,511)	0
Net cash paid upon issuance of common stock under stock plans	(1,281)	(3,972)
Net Cash Used in Financing Activities	(41,750)	(25,414)
Net Decrease in Cash and Cash Equivalents	(55,069)	(47,493)
Cash and Cash Equivalents at Beginning of Period	76,316	56,466
Cash and Cash Equivalents at End of Period	$ 21,247	$ 8,973