Quarterly report pursuant to Section 13 or 15(d)

Composition of Certain Financial Statement Captions (Details)

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Composition of Certain Financial Statement Captions (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Accounts receivable, net:    
Accounts receivable $ 322,940 $ 288,369
Less: allowance for credit losses (2,478) (2,055)
Accounts receivable, net 320,462 286,314
Inventories, net:    
Consumable supplies 114,042 86,779
Finished products 39,287 36,831
Work in-process 4,706 5,268
Raw materials 5,966 5,784
Less: inventory reserve (4,897) (2,321)
Inventory, net 159,104 132,341
Other current assets and prepaid expenses:    
Taxes recoverable 9,480 13,440
Prepaid expenses 13,628 7,259
Prepaid insurance 1,458 3,803
Other receivables 351 2,502
Other 5,063 5,309
Other current assets and prepaid expenses 29,980 32,313
Intangible assets, net:    
Less: accumulated amortization (365,074) (356,830)
Intangible assets, net 456,309 475,002
Accrued expenses:    
Inventory received but not invoiced 50,732 72,160
Commitments and contingencies 17,777 15,454
Employee benefits 46,428 43,300
Contract liabilities 15,031 15,783
Clinical trials 6,597 7,112
Contingent consideration 0 1,188
Finance leases short-term 2,287 2,453
Professional fees 4,790 4,985
Other 69,477 78,434
Accrued expenses 213,119 240,869
Other long-term liabilities:    
Contingent consideration 3,564 4,507
Mortgages and other debts payable 3,325 3,837
Finance leases long-term 2,506 2,805
Contract liabilities 557 595
Other 16,759 25,328
Other long-term liabilities 26,711 37,072
Customer relationships    
Intangible assets, net:    
Intangible assets 447,095 448,751
Technologies    
Intangible assets, net:    
Intangible assets 288,222 296,623
Trade names    
Intangible assets, net:    
Intangible assets 49,805 49,820
Covenants not to compete    
Intangible assets, net:    
Intangible assets 16,326 16,334
Licenses    
Intangible assets, net:    
Intangible assets 5,766 5,766
Product registrations    
Intangible assets, net:    
Intangible assets 7,881 8,025
Other    
Intangible assets, net:    
Intangible assets $ 6,288 $ 6,513