Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities:
Net (loss) income	$ (110,489)	$ 1,313
Adjustments to reconcile net (loss) income to cash flows from operating activities:
Impairment of goodwill, fixed assets and other intangibles	147,350	0
Depreciation and amortization	53,361	52,339
Non-cash lease expense	23,644	24,967
Stock-based compensation	11,378	12,528
Inventory write-down	5,104	83,642
Foreign currency losses	2,238	169
(Gain) loss on disposal of assets	(337)	626
Deferred taxes	(7,625)	(9,969)
Changes in operating assets and liabilities:
Accounts receivable, net	5,074	(27,829)
Inventories, net	24,948	(25,901)
Prepaid expenses and other	(21,174)	4,227
Other assets	(4,061)	(432)
Accounts payable	(10,556)	(4,667)
Accrued expenses	(19,032)	(43,062)
Other liabilities	(13,866)	(3,479)
Net cash provided by operating activities	85,957	64,472
Cash flows from investing activities:
Purchases of property and equipment	(29,000)	(38,105)
Proceeds on investment sales	18,378	13,160
Purchases of investments	(13,718)	(16,883)
Acquisitions (net of cash acquired)	0	(77,275)
Net cash used in investing activities	(24,340)	(119,103)
Cash flows from financing activities:
Exercise of employee stock options and taxes paid related to the net shares settlement of stock awards	(2,004)	4,741
Payment of cash dividends	(8,944)	(58,353)
Repurchase of shares of common stock	0	(13,011)
Finance lease principal payments	(2,302)	(2,382)
Contingent consideration payments	(6,300)	0
Payments of debt	(85,000)	(10,000)
Proceeds from debt	15,000	110,000
Net cash (used in) / provided by financing activities	(89,550)	30,995
Effect of exchange rate changes on cash	(373)	(7,775)
Net decrease in cash and cash equivalents	(28,306)	(31,411)
Cash and cash equivalents, beginning of period	256,057	264,725
Cash and cash equivalents, end of period	$ 227,751	$ 233,314