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
Jun. 30, 2018
Dec. 31, 2017
Accounts receivable, net:    
Accounts receivable $ 154,269 $ 166,962
Less: allowance for doubtful accounts (1,492) (1,446)
Accounts receivable, net 152,777 165,516
Inventories, net:    
Consumable supplies 24,986 21,546
Finished products 16,783 21,012
Work in-process 3,910 5,873
Raw materials 5,800 7,467
Less: inventory reserve (4,726) (6,565)
Inventory, net 46,753 49,333
Other current assets and prepaid expenses:    
Taxes recoverable 21,319 18,138
Other receivables 2,031 8,798
Prepaid supplies 10,278 8,207
Prepaid insurance 3,259 3,532
Other 4,764 3,838
Other current assets and prepaid expenses 41,651 42,513
Intangible assets, net:    
Less: accumulated amortization (231,996) (198,935)
Intangible assets, net 648,541 683,835
Accrued expenses:    
Contract liabilities 61,846 61,388
Employee benefits 46,621 50,377
Clinical trials 11,598 12,191
Taxes payable 3,604 4,609
Contingent consideration 2,042 11,750
Capital leases short-term 3,166 3,399
Milestone payment 4,967 4,868
Professional fees 1,727 2,355
Other 65,421 79,364
Accrued expenses 200,992 230,301
Other long-term liabilities:    
Contract liabilities 47,720 78,990
Line of credit 105,539 104,152
Contingent consideration 25,712 29,603
Mortgages and other debts payable 1,704 1,567
Capital leases long-term 6,638 7,786
Other 22,131 17,857
Other long-term liabilities 209,444 239,955
Customer relationships    
Intangible assets, net:    
Intangible assets 447,225 448,345
Technologies    
Intangible assets, net:    
Intangible assets 340,815 340,921
Trade names    
Intangible assets, net:    
Intangible assets 50,494 50,553
Licenses    
Intangible assets, net:    
Intangible assets 10,246 10,305
Covenants not to compete    
Intangible assets, net:    
Intangible assets 16,367 16,372
Product registrations    
Intangible assets, net:    
Intangible assets 9,694 10,475
Other    
Intangible assets, net:    
Intangible assets $ 5,696 $ 5,799