Consolidated Condensed Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating Activities:
Net income	$ 18,819	$ 57,700
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	18,635	19,571
Deferred income taxes	(997)	225
Non-cash stock based compensation	5,263	7,663
Loss on disposition of property and equipment	518	496
Other	708	(262)
Changes in assets and liabilities:
Accounts receivable, net	(31,762)	(11,647)
Inventory	(33,637)	(17,211)
Other assets	(10,443)	8,408
Accounts payable	27,768	(289)
Other liabilities	1,442	(3,136)
Net cash (used in) provided by operating activities	(3,686)	84,362
Investing Activities:
Purchases of property and equipment	(15,448)	(20,669)
Proceeds from the sale of property and equipment	81	10
Cost of technology investments	(350)	(5,200)
Net cash used in investing activities	(15,717)	(25,859)
Financing Activities:
Repayments of debt	(1,250)	(143,731)
Proceeds from the exercise of Common Stock options	569	6,292
Taxes withheld and paid on employees' share-based payment awards	(4,464)	(2,117)
Acquisition contingent consideration payment		(69)
Net cash used in financing activities	(5,145)	(139,625)
Foreign currency effect	(8,800)	(360)
Net decrease in cash and cash equivalents	(33,348)	(81,482)
Cash and cash equivalents at beginning of period	190,606	268,345
Cash and cash equivalents at end of period	157,258	186,863
Supplemental disclosure of cash flow information:
Cash paid for taxes	8,642	8,563
Cash paid for interest	$ 909	$ 1,455