CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities:
Net income	$ 28,829	$ 46,964
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	15,252	11,834
Amortization of debt issuance costs	457	452
Stock-based compensation	7,254	7,915
Deferred income taxes, net	(1,124)	1,045
Contingent consideration	1,235	(2,411)
Other	(857)	73
Changes in operating assets and liabilities, excluding impact of acquisitions:
Accounts receivable	(16,832)	(6,269)
Inventories	(5,845)	(30,037)
Prepaid expenses and other assets	(2,799)	283
Operating lease right of use assets	3,349	1,514
Other assets	(434)	(204)
Accounts payable	(1,194)	2,200
Accrued expenses	(13,326)	(9,999)
Operating lease Liabilities	(2,870)	(17)
Long-term liabilities	59	(230)
Total cash provided by operating activities	11,154	23,113
Cash flows from investing activities:
Additions to capitalized software costs	(924)	(1,027)
Purchases of property, plant and equipment	(8,509)	(27,204)
Other investing activities	0	17
Total cash used in investing activities	(9,433)	(28,214)
Cash flows from financing activities:
Proceeds from exercise of stock options	29	296
Payment of tax withholding obligation on vesting of restricted stock	(9,592)	(12,311)
Repayment of Convertible Senior Notes	0	(6)
Total cash used in financing activities	(9,563)	(12,021)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	993	(2,052)
Net decrease in cash, cash equivalents and restricted cash	(6,849)	(19,174)
Cash, cash equivalents and restricted cash, beginning of period	523,458	603,814
Cash and cash equivalents, end of period	516,609	584,640
Supplemental disclosure of non-cash investing and financing activities:
Assets acquired under operating leases	$ 179	$ 1,119