Composition of Certain Financial Statement Captions - Composition of Certain Financial Statement Captions (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Accounts receivable, net
Accounts receivable	$ 261,476	$ 288,369
Less: allowance for doubtful accounts	(1,839)	(2,055)
Accounts receivable, net	259,637	286,314
Inventories, net
Consumable supplies	39,447	86,779
Finished products	44,107	36,831
Work in-process	1,615	5,268
Raw materials	6,112	5,784
Less: inventory reserve	(4,779)	(2,321)
Inventory, net	86,502	132,341
Other current assets and prepaid expenses
Prepaid supplies	10,641	7,259
Prepaid insurance	4,383	3,803
Taxes recoverable	5,598	13,440
Other receivables	353	2,502
Other	6,195	5,309
Prepaid expenses and other current assets	27,170	32,313
Property, plant and equipment, net:
Less: accumulated depreciation	(133,326)	(164,769)
Property, plant and equipment, net	79,727	140,554
Intangible assets, net:
Less: accumulated amortization	(320,820)	(356,830)
Intangible assets, net	321,683	475,002
Accrued expenses:
Inventory received but not invoiced	40,446	72,160
Employee benefits	45,939	43,300
Commitments and contingencies	27,819	15,454
Clinical trials	4,867	7,112
Finance leases short-term	2,257	2,453
Professional fees	2,121	4,985
Contingent consideration	487	1,188
Contract liabilities	258	15,783
Other	69,299	78,434
Accrued expenses	193,493	240,869
Other long-term liabilities:
Finance leases long-term	2,924	2,805
Contingent consideration	2,350	4,507
Mortgages and other debts payable	2,224	3,837
Contract liabilities	208	595
Other	7,356	25,328
Other long-term liabilities	15,062	37,072
Customer relationships
Intangible assets, net:
Intangible assets	314,823	448,751
Technologies
Intangible assets, net:
Intangible assets	246,101	296,623
Trade names
Intangible assets, net:
Intangible assets	49,770	49,820
Covenants not to compete
Intangible assets, net:
Intangible assets	12,920	16,334
Licenses
Intangible assets, net:
Intangible assets	5,766	5,766
Product registrations
Intangible assets, net:
Intangible assets	6,995	8,025
Other
Intangible assets, net:
Intangible assets	6,128	6,513
Machinery, medical and other equipment
Property, plant and equipment, net:
Property, plant and equipment, gross	127,633	193,152
Leasehold improvements
Property, plant and equipment, net:
Property, plant and equipment, gross	27,478	40,742
Furniture and fixtures
Property, plant and equipment, net:
Property, plant and equipment, gross	11,638	13,547
Automobiles and aircraft
Property, plant and equipment, net:
Property, plant and equipment, gross	12,602	10,537
Software
Property, plant and equipment, net:
Property, plant and equipment, gross	14,507	14,726
Building
Property, plant and equipment, net:
Property, plant and equipment, gross	10,661	21,848
Land
Property, plant and equipment, net:
Property, plant and equipment, gross	2,421	2,602
Construction in process
Property, plant and equipment, net:
Property, plant and equipment, gross	$ 6,113	$ 8,169