Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Income Statement [Abstract]
Net revenue	$ 883,726	$ 913,860	$ 1,754,225	$ 1,800,153
Operating costs and expenses:
Cost of revenue	575,235	582,509	1,156,041	1,164,966
Research and development	36,685	37,980	71,781	73,981
Selling, general and administrative	72,026	80,473	142,575	161,795
Amortization of intangible assets	36,031	34,594	72,174	69,663
Restructuring and other charges, net	16,310	244	21,619	4,010
Total operating costs and expenses	736,287	735,800	1,464,190	1,474,415
Operating income	147,439	178,060	290,035	325,738
Interest expense, net	(39,608)	(38,321)	(78,861)	(76,750)
Other, net	(3,554)	(11,053)	(365)	(15,686)
Income before taxes	104,277	128,686	210,809	233,302
Provision for income taxes	30,841	23,398	52,308	37,524
Net income	$ 73,436	$ 105,288	$ 158,501	$ 195,778
Basic net income per share (in dollars per share)	$ 0.45	$ 0.61	$ 0.98	$ 1.14
Diluted net income per share (in dollars per share)	$ 0.45	$ 0.61	$ 0.97	$ 1.13