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Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Cash flows from operating activities:      
Net (loss) income $ (98,083) $ (177,185) $ 88,591
Adjustments to reconcile net (loss) income to cash flows (used in) provided by operating activities:      
Depreciation and amortization of property and equipment 15,295 16,962 17,188
Amortization of intangible assets 61,188 66,626 60,910
Amortization of debt issuance costs 2,308 4,763 5,673
Stock-based compensation 18,707 19,418 13,899
Impairment of goodwill 0 116,000 0
Deferred income taxes (18,251) (45,596) (4,616)
Gain on sale of business (62) (2,772) (83,552)
Decrease (increase) in fair value of investments 41,291 71,252 (30,296)
Reduction to deferred purchase consideration 0 0 (70)
Foreign currency exchange losses 1,576 5,002 2,961
Changes in operating assets and liabilities:      
Accounts receivable 14,285 (47,279) 9,578
Inventory (32,099) (9,029) 11,842
Other operating assets 2,109 9,958 44,343
Accounts payable (448) 34,482 (49,561)
Accrued expenses and other long-term liabilities (37,635) (50,324) 20,629
Deferred revenue 3,455 6,904 (5,955)
Net cash (used in) provided by operating activities (26,364) 19,182 101,564
Cash flows from investing activities:      
Purchases of property and equipment (10,254) (17,132) (26,721)
Purchases of software licenses (3,300) 0 0
Business acquisitions, net of cash acquired 0 0 (346,852)
Proceeds from sale of business 1,418 2,944 0
Proceeds from the sale of fixed assets 0 0 43,500
Net cash used in investing activities (12,136) (14,188) (330,073)
Cash flows from financing activities:      
Borrowings under revolving line of credit 73,625 0 615
Principal payments on revolving line of credit (73,625) 0 (8,615)
Proceeds from issuance of long-term debt 0 74,625 478,500
Principal payments of term debt (45,058) (92,176) (134,188)
Principal payments of finance leases (595) (903) (1,258)
Payment of debt issuance costs (1,046) (789) (14,147)
Proceeds from equity offering 52,067 0 0
Payment of equity offering issuance costs (1,654) 0 0
Proceeds from the exercise of stock options 1 24 70
Payment of tax withholding obligations related to net share settlements of restricted stock awards (2,784) (14,464) (1,674)
Net cash provided by (used in) financing activities 931 (33,683) 319,303
Effect of exchange rate changes on cash and cash equivalents (1,654) (523) 260
Net (decrease) increase in cash and cash equivalents (39,223) (29,212) 91,054
Cash, cash equivalents and restricted cash, beginning of year 106,485 135,697 44,643
Cash, cash equivalents and restricted cash, end of year 67,262 106,485 135,697
Supplemental disclosure of cash flow information:      
Interest paid 19,336 14,867 15,546
Income taxes paid 16,988 14,447 9,293
Income tax refunds received 1,251 1,488 1,163
Supplemental disclosure of non-cash investing activities:      
Capital expenditures incurred, but not yet paid 2,559 2,269 3,749
Inventory transfers to property and equipment 2,896 676 818
Software license acquired through investment disposal 1,886 0 0
Business acquisition purchase consideration - common stock issued 0 0 108,550
Business acquisition purchase consideration - deferred payments 0 0 1,630
Supplemental disclosure of non-cash financing activities:      
Total fair value of restricted stock awards, restricted stock units, performance-based stock awards and performance-based stock units on date vested $ 9,858 $ 40,751 $ 7,927