CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement [Abstract]
TOTAL REVENUES, NET	$ 772,028	$ 634,860	$ 2,203,777	$ 2,142,853
COSTS AND EXPENSES:
Cost of revenues	286,068	348,077	909,841	1,072,972
Selling, general and administrative	246,864	182,259	611,657	522,285
Research and development	25,616	32,055	90,024	94,165
Litigation-related and other contingencies, net	83,495	1,810	119,327	(23,938)
Asset impairment charges	42,155	8,412	50,393	106,197
Acquisition-related and integration items, net	(1,432)	(1,407)	(6,357)	17,100
Interest expense, net	142,958	135,648	418,852	397,689
Loss on extinguishment of debt	0	0	13,753	0
Other income, net	(5,955)	(7,194)	(4,671)	(25,318)
(LOSS) INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAX	(47,741)	(64,800)	958	(18,299)
INCOME TAX EXPENSE (BENEFIT)	1,548	4,174	13,372	(124,516)
(LOSS) INCOME FROM CONTINUING OPERATIONS	(49,289)	(68,974)	(12,414)	106,217
DISCONTINUED OPERATIONS, NET OF TAX (NOTE 3)	(27,918)	(6,913)	(38,769)	(41,616)
NET (LOSS) INCOME	$ (77,207)	$ (75,887)	$ (51,183)	$ 64,601
NET (LOSS) INCOME PER SHARE—BASIC:
Continuing operations (in dollars per share)	$ (0.21)	$ (0.30)	$ (0.05)	$ 0.46
Discontinued operations (in dollars per share)	(0.12)	(0.03)	(0.17)	(0.18)
Basic (in dollars per share)	(0.33)	(0.33)	(0.22)	0.28
NET (LOSS) INCOME PER SHARE—DILUTED:
Continuing operations (in dollars per share)	(0.21)	(0.30)	(0.05)	0.46
Discontinued operations (in dollars per share)	(0.12)	(0.03)	(0.17)	(0.18)
Diluted (in dollars per share)	$ (0.33)	$ (0.33)	$ (0.22)	$ 0.28
WEIGHTED AVERAGE SHARES:
Basic (in shares)	233,578	230,040	232,487	228,985
Diluted (in shares)	233,578	230,040	232,487	233,379