CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
TOTAL REVENUES, NET	$ 515,267	$ 652,259
COSTS AND EXPENSES:
Cost of revenues	232,742	273,215
Selling, general and administrative	150,793	227,161
Research and development	27,703	36,130
Acquired in-process research and development	0	2,900
Litigation-related and other contingencies, net	15,200	25,154
Asset impairment charges	146	19,953
Acquisition-related and integration items, net	397	(1,377)
Interest expense, net	109	134,949
Reorganization items, net	85,352	0
Other (income) expense, net	(125)	1,289
INCOME (LOSS) FROM CONTINUING OPERATIONS BEFORE INCOME TAX	2,950	(67,115)
INCOME TAX EXPENSE (BENEFIT)	5,773	(1,815)
LOSS FROM CONTINUING OPERATIONS	(2,823)	(65,300)
DISCONTINUED OPERATIONS, NET OF TAX (NOTE 4)	(456)	(6,674)
Net loss	$ (3,279)	$ (71,974)
NET (LOSS) INCOME PER SHARE—BASIC:
Continuing operations (in dollars per share)	$ (0.01)	$ (0.28)
Discontinued operations (in dollars per share)	0	(0.03)
Basic (in dollars per share)	(0.01)	(0.31)
NET (LOSS) INCOME PER SHARE—DILUTED:
Continuing operations (in dollars per share)	(0.01)	(0.28)
Discontinued operations (in dollars per share)	0	(0.03)
Diluted (in dollars per share)	$ (0.01)	$ (0.31)
WEIGHTED AVERAGE SHARES:
Basic (in shares)	235,216	233,879
Diluted (in shares)	235,216	233,879