Composition of Certain Financial Statement Captions (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Accounts receivable, net
Accounts receivable	$ 262,145	$ 219,043
Less: allowance for doubtful accounts	(48,773)	(25,168)
Accounts receivable, net	213,372	193,875
Inventories, net
Consumable supplies	22,825	22,265
Finished products	13,944	13,404
Work in-process	1,137	1,215
Raw materials	5,453	3,848
Less: inventory reserve	(1,313)	(1,051)
Inventory, net	42,046	39,681
Other current assets and prepaid expenses
Taxes recoverable	52,588	3,076
Other receivables	13,464	11,946
Prepaid supplies	9,534	8,773
Prepaid insurance	2,144	2,206
Other	776	903
Other current assets and prepaid expenses	78,506	26,904
Intangible assets, net:
Less: accumulated amortization	(88,224)	(59,101)
Intangible assets, net	804,445	638,152
Accrued expenses:
Deferred revenue	73,112	70,246
Employee benefits	37,121	29,751
Contingent consideration	30,294	22,164
Taxes payable	10,954	7,605
Capital leases short-term	5,069	5,373
Clinical trials	10,051	2,505
Milestone payment	4,966	5,000
Professional fees	1,967	1,506
Other	36,314	23,749
Accrued expenses	209,848	167,899
Other long-term liabilities:
Deferred revenue	125,348	162,634
Line of credit	47,661	82,668
Contingent consideration	36,340	32,258
Mortgages and other debts payable	1,807	2,523
Capital leases long-term	8,500	9,285
Other	14,186	13,663
Other long-term liabilities	224,316	292,470
Customer relationships
Intangible assets, net:
Intangible assets	450,792	449,972
Technologies
Intangible assets, net:
Intangible assets	339,307	151,709
Trade names
Intangible assets, net:
Intangible assets	50,469	50,416
Licenses
Intangible assets, net:
Intangible assets	23,509	23,432
Covenants not to compete
Intangible assets, net:
Intangible assets	16,362	8,612
Product registrations
Intangible assets, net:
Intangible assets	7,836	7,512
Other
Intangible assets, net:
Intangible assets	4,394	5,600
JPMorgan Chase
Other long-term liabilities:
Line of credit	$ 38,135	$ 72,107