Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities
Net income (loss)	$ (12,037)	$ 896
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization of intangible assets	14,463	16,837
Non-cash operating lease expense	3,972	4,113
Stock-based compensation	6,919	6,127
Amortization of prepaid debt fees	889	839
Deferred taxes, net	(4,272)	(4,362)
Loss on sale of business	18	2,221
Restructuring, non-cash	1,070	390
Other adjustments, net	56	137
Changes in operating assets and liabilities, net of acquisition and sale of business:
Accounts receivable	(22,497)	(8,816)
Inventories	(34,791)	(6,345)
Other current assets	(17,129)	(11,899)
Other long-term assets	3,002	(2,887)
Accounts payable, other current liabilities, and taxes payable	15,113	17,778
Wages and benefits payable	(12,895)	(26,185)
Unearned revenue	34,471	35,320
Warranty	(1,041)	(928)
Restructuring	33,209	(13,167)
Other operating, net	(7,091)	(2,478)
Net cash provided by operating activities	1,429	7,591
Investing activities
Net proceeds (payments) related to the sale of business	(772)	55,933
Acquisitions of property, plant, and equipment	(6,902)	(5,369)
Business acquisitions, net of cash and cash equivalents acquired	0	23
Other investing, net	16	362
Net cash provided by (used in) investing activities	(7,658)	50,949
Financing activities
Issuance of common stock	607	784
Repurchase of common stock	0	(16,972)
Prepaid debt fees	(517)	(695)
Other financing, net	(185)	(222)
Net cash used in financing activities	(95)	(17,105)
Effect of foreign exchange rate changes on cash and cash equivalents	330	(17)
Increase (decrease) in cash and cash equivalents	(5,994)	41,418
Cash and cash equivalents at beginning of period	202,007	162,579
Cash and cash equivalents at end of period	196,013	203,997
Supplemental disclosure of cash flow information:
Income taxes, net	1,432	1,740
Interest	$ 459	$ 514