Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Operating activities
Net income	$ 15,242	$ 16,997
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	25,693	26,984
Stock-based compensation expense	11,928	12,716
Deferred taxes	2,355	(6,140)
Interest on finance lease obligations	16	26
Loss on impairment of equipment	0	256
Impairments related to exit and closure of facilities	448	0
Loss (gain) on disposal of property and equipment	16	(24)
Other	(179)	103
Changes in operating assets and liabilities:
Accounts receivable	(11,265)	4,581
Inventories	(2,017)	1,321
Prepaid expenses and other	366	(312)
Income taxes	(1,709)	2,583
Accounts payable	1,252	(2,709)
Accrued liabilities and other	15,907	4,153
Net cash provided by operating activities	58,053	60,535
Investing activities
Purchases of property, equipment and other capital assets	(6,792)	(8,339)
Proceeds from sales of property, equipment and other capital assets	811	34
Purchases of marketable securities	(13,553)	(18,087)
Proceeds from call redemptions and maturities of marketable securities	11,730	15,709
Net cash used in investing activities	(7,804)	(10,683)
Financing activities
Proceeds from issuance of common stock from equity plans	4,195	2,094
Purchases of shares withheld for tax obligations	(3,119)	(1,920)
Repurchases of common stock	(36,732)	(45,958)
Principal repayments of finance lease obligations	(231)	(220)
Net cash used in financing activities	(35,887)	(46,004)
Effect of exchange rate changes on cash and cash equivalents	989	235
Net increase in cash and cash equivalents	15,351	4,083
Cash and cash equivalents, beginning of period	89,071	83,790
Cash and cash equivalents, end of period	$ 104,422	$ 87,873