Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues:
Total revenues	$ 249,815	$ 246,040	$ 768,412	$ 805,022
Costs and expenses:
Selling, general and administrative	84,071	103,177	263,242	318,700
Research and development	30,160	32,508	92,258	92,193
Contingent consideration	1,193	(11,213)	(12,406)	(4,475)
Amortization of intangible assets	16,899	18,023	51,397	53,904
Total costs and expenses	283,279	293,805	849,596	923,833
Operating loss	(33,464)	(47,765)	(81,184)	(118,811)
Other income and (expense), net:
Interest income	43	249	111	634
Interest expense	(2,944)	(1,840)	(7,933)	(4,771)
Fair value changes of derivative instruments, net	(155)	(7,550)	3,489	1,969
Other income (expense), net	(824)	597	9,653	3,105
Other income and (expense), net	(3,880)	(8,544)	5,320	937
Loss before income taxes and investment losses	(37,344)	(56,309)	(75,864)	(117,874)
Income tax benefit	11,563	24,405	10,437	42,309
Net loss before investment losses	(25,781)	(31,904)	(65,427)	(75,565)
Loss from investments in investees	(1,874)	(4,013)	(11,542)	(11,771)
Net loss	$ (27,655)	$ (35,917)	$ (76,969)	$ (87,336)
Loss per share, basic and diluted:
Loss per share (in dollars per share)	$ (0.05)	$ (0.06)	$ (0.14)	$ (0.16)
Weighted average common shares outstanding, basic and diluted (in shares)	559,786,382	559,405,309	559,601,097	559,065,232
Services
Revenues:
Total revenues	$ 202,811	$ 200,876	$ 630,180	$ 663,333
Costs and expenses:
Cost of service revenue	137,347	135,203	411,196	419,070
Products
Revenues:
Total revenues	25,395	22,795	81,769	73,992
Costs and expenses:
Cost of service revenue	13,609	16,107	43,909	44,441
Transfer of intellectual property and other
Revenues:
Total revenues	$ 21,609	$ 22,369	$ 56,463	$ 67,697