CONDENSED COMBINED DEBTOR-IN-POSSESSION FINANCIAL INFORMATION-CONDENSED COMBINED STATEMENTS OF CASH FLOWS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
OPERATING ACTIVITIES:
Net cash provided by operating activities	$ 435,098	$ 269,193	$ 411,050
INVESTING ACTIVITIES:
Capital expenditures, excluding capitalized interest	(94,325)	(99,722)	(77,929)
Capitalized interest payments	0	(3,140)	(2,721)
Proceeds from the U.S. Government Cooperative Agreement	39,397	18,635	0
Acquisitions, including in-process research and development, net of cash and restricted cash acquired	0	(90,320)	(5,000)
Proceeds from sale of business and other assets	5,134	41,400	30,283
Net cash used in investing activities	(49,794)	(133,147)	(59,544)
FINANCING ACTIVITIES:
Repayments of notes	0	(180,342)	0
Repayments of term loans	0	(10,000)	(3,310,475)
Adequate protection payments	(592,759)	(313,109)	0
Repayments of other indebtedness	(6,733)	(6,062)	(5,448)
Payments for contingent consideration	(5,136)	(2,462)	(4,010)
Payments of tax withholding for restricted shares	0	(1,898)	(14,774)
Net cash used in financing activities	(604,628)	(513,873)	(105,481)
Effect of foreign exchange rate	704	(4,242)	285
NET (DECREASE) INCREASE IN CASH, CASH EQUIVALENTS, RESTRICTED CASH AND RESTRICTED CASH EQUIVALENTS	(218,620)	(382,069)	246,310
CASH, CASH EQUIVALENTS, RESTRICTED CASH AND RESTRICTED CASH EQUIVALENTS, BEGINNING OF PERIOD	1,249,241	1,631,310	1,385,000
CASH, CASH EQUIVALENTS, RESTRICTED CASH AND RESTRICTED CASH EQUIVALENTS, END OF PERIOD	1,030,621	1,249,241	1,631,310
Debtor-in-Possession
OPERATING ACTIVITIES:
Net cash provided by operating activities	416,541	209,523
INVESTING ACTIVITIES:
Capital expenditures, excluding capitalized interest	(67,149)	(43,743)
Capitalized interest payments	0	(3,140)
Proceeds from the U.S. Government Cooperative Agreement	39,397	18,635
Acquisitions, including in-process research and development, net of cash and restricted cash acquired	0	(90,320)
Proceeds from sale of business and other assets	5,134	41,400
Proceeds from loans made to Non-Debtor Affiliates	1,572	2,355
Disbursements for loans made to Non-Debtor Affiliates	(25,243)	(51,486)
Net cash used in investing activities	(46,289)	(126,299)
FINANCING ACTIVITIES:
Repayments of notes	0	(180,342)
Repayments of term loans	0	(10,000)
Adequate protection payments	(592,759)	(313,109)
Repayments of other indebtedness	(6,733)	(6,062)
Payments for contingent consideration	(5,136)	(2,462)
Payments of tax withholding for restricted shares	0	(1,898)
Net cash used in financing activities	(604,628)	(513,873)
Effect of foreign exchange rate	850	(1,790)
NET (DECREASE) INCREASE IN CASH, CASH EQUIVALENTS, RESTRICTED CASH AND RESTRICTED CASH EQUIVALENTS	(233,526)	(432,439)
CASH, CASH EQUIVALENTS, RESTRICTED CASH AND RESTRICTED CASH EQUIVALENTS, BEGINNING OF PERIOD	1,136,259	1,568,698
CASH, CASH EQUIVALENTS, RESTRICTED CASH AND RESTRICTED CASH EQUIVALENTS, END OF PERIOD	$ 902,733	$ 1,136,259	$ 1,568,698