Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenues:
Revenue from services	$ 211,315	$ 228,545
Revenue from products	27,851	22,231
Revenue from transfer of intellectual property and other	15,748	15,606
Total revenues	254,914	266,382
Costs and expenses:
Cost of service revenue	139,441	139,966
Cost of product revenue	14,648	14,830
Selling, general and administrative	91,519	109,944
Research and development	32,887	26,557
Contingent consideration	1,759	2,371
Amortization of intangible assets	17,271	17,929
Total costs and expenses	297,525	311,597
Operating loss	(42,611)	(45,215)
Other income and (expense), net:
Interest income	39	249
Interest expense	(2,267)	(1,429)
Fair value changes of derivative instruments, net	1,396	4,037
Other income (expense), net	1,893	3,042
Other income and (expense), net	1,061	5,899
Loss before income taxes and investment losses	(41,550)	(39,316)
Income tax benefit (provision)	892	6,944
Net loss before investment losses	(40,658)	(32,372)
Loss from investments in investees	(2,456)	(2,131)
Net loss	$ (43,114)	$ (34,503)
Loss per share, basic and diluted:
Net loss per share (in dollars per share)	$ (0.08)	$ (0.06)
Weighted average common shares outstanding, basic and diluted (in shares)	559,473,838	558,434,153