CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 4,405	$ (2,171)
Adjustments to reconcile net income (loss) to cash used in operating activities:
Deferred income taxes	(41)	(1,233)
Depreciation	2,374	2,505
Amortization	1,217	1,365
Equity in income of nonconsolidated investments	0	(17)
Gain on sales and disposals of property, plant, and equipment	(3,574)	(14)
Stock-based compensation	1,033
Loss on asset divestitures	0	2,033
Change in operating assets and liabilities:
Accounts receivable	(4,042)	26,239
Contract assets	5,136	(860)
Inventories	(12,756)	(15,564)
Other current assets	(3,262)	(791)
Other noncurrent assets	675	(1,439)
Accounts payable	3,200	4,921
Deferred revenue	(1,008)	(707)
Accrued payroll and employee benefits	(11,599)	(6,386)
Other current liabilities	(1,807)	(2,981)
Other long-term liabilities	(1,395)	1,148
Net cash (used in) provided by operating activities	(21,444)	6,932
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from the sale of property, plant, and equipment	3,501	16
Capital expenditures on property, plant, and equipment	(2,712)	(699)
Proceeds from business dispositions	0	5,344
Net cash provided by investing activities	789	4,661
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments of debt	(55,835)	(55,133)
Proceeds from debt	78,746	43,086
Treasury stock acquisitions	(1,613)	(309)
Investment of noncontrolling interest	0	334
Net cash provided by (used in) financing activities	21,298	(12,022)
Effect of exchange rate changes on cash and cash equivalents	(55)	186
Net increase (decrease) in cash and cash equivalents	588	(243)
Cash and cash equivalents at beginning of period	2,560	2,882
Cash and cash equivalents at end of period	3,148	2,639
Supplemental disclosure of cash flow information:
Interest paid	992	1,425
Income taxes paid (received)	$ 303	$ (1,564)