Composition of Certain Financial Statement Captions (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Accounts receivable, net:
Accounts receivable	$ 214,734	$ 261,476
Less: allowance for credit losses	(1,979)	(1,839)
Accounts receivable, net	212,755	259,637
Inventories, net:
Consumable supplies	48,740	39,447
Finished products	46,594	44,107
Work in-process	2,795	1,615
Raw materials	6,435	6,112
Less: inventory reserve	(5,158)	(4,779)
Inventory, net	99,406	86,502
Other current assets and prepaid expenses:
Taxes recoverable	6,105	5,598
Prepaid expenses	8,171	10,641
Prepaid insurance	1,731	4,383
Other receivables	2,435	353
Other	4,832	6,195
Other current assets and prepaid expenses	23,274	27,170
Intangible assets, net:
Less: accumulated amortization	(338,294)	(320,820)
Intangible assets, net	890,498	321,683
Accrued expenses:
Inventory received but not invoiced	22,811	40,446
Commitments and contingencies	26,940	27,819
Employee benefits	50,332	45,939
Contract liabilities	258	258
Clinical trials	4,167	4,867
Contingent consideration	487	487
Finance leases short-term	2,451	2,257
Professional fees	2,717	2,121
Other	47,153	69,299
Accrued expenses	157,316	193,493
Other long-term liabilities:
Contingent consideration	2,242	2,350
Mortgages and other debts payable	1,973	2,224
Finance leases long-term	3,865	2,924
Contract liabilities	204	208
Other	7,374	7,356
Other long-term liabilities	15,658	15,062
Customer relationships
Intangible assets, net:
Intangible assets	314,324	314,823
Technologies
Intangible assets, net:
Intangible assets	832,727	246,101
Trade names
Intangible assets, net:
Intangible assets	49,774	49,770
Covenants not to compete
Intangible assets, net:
Intangible assets	12,917	12,920
Licenses
Intangible assets, net:
Intangible assets	5,766	5,766
Product registrations
Intangible assets, net:
Intangible assets	7,251	6,995
Other
Intangible assets, net:
Intangible assets	$ 6,033	$ 6,128