Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating Activities:
Net income	$ 24,441	$ 93,434	$ 59,690
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	44,394	38,780	41,114
Deferred income taxes	(7,322)	(150)	849
Stock based compensation	6,599	14,530	8,829
Loss on disposition of property and equipment	771	973	683
Impairment of intangible assets and property and equipment	6,291
Provisions for inventory	15,923	2,499	1,768
Gain on sale of patents			(1,978)
Other	721	(271)	(748)
Changes in assets and liabilities:
Accounts receivable, net	(44,221)	25,099	(46,742)
Inventory	(40,322)	(42,372)	(2,582)
Other assets	(11,906)	10,307	(11,997)
Accounts payable	28,314	8,166	29,960
Other liabilities	(8,736)	(7,919)	31,849
Net cash provided by operating activities	14,947	143,076	110,695
Investing Activities:
Purchases of property and equipment	(39,703)	(38,468)	(17,219)
Proceeds from the sale of patents and property and equipment	248	22	2,140
Acquisition of businesses, net of cash acquired	(205,487)	(2,827)
Proceeds from deferred purchase price of factored receivables	5,538
Cost of technology investments	(495)	(7,557)
Acquisition of intangible assets			(3,141)
Net cash used in investing activities	(239,899)	(48,830)	(18,220)
Financing Activities:
Borrowings on debt	207,000		201,194
Repayments of debt	(13,272)	(153,243)	(91,439)
Proceeds from the exercise of Common Stock options	1,670	8,279	16,552
Taxes withheld and paid on employees' share-based payment awards	(5,471)	(4,108)	(1,117)
Cash paid for the repurchase of Common Stock		(20,000)	(9,092)
Acquisition contingent consideration payment		(69)	(618)
Net cash provided by (used in) provided by financing activities	189,927	(169,141)	115,480
Foreign currency effect	(1,690)	(2,844)	7,442
Net (decrease) increase in cash and cash equivalents	(36,715)	(77,739)	215,397
Cash and cash equivalents at beginning of period	190,606	268,345	52,948
Cash and cash equivalents at end of period	153,891	190,606	268,345
Supplemental disclosure of cash flow information:
Cash paid for taxes	21,645	14,857	5,013
Cash paid for interest	$ 6,338	$ 2,378	$ 4,204