Condensed Consolidated Statements of Comprehensive (Loss) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Statement [Abstract]
Revenues, net	$ 120,310	$ 178,057	$ 325,003	$ 343,928
Cost of sales (exclusive of amortization of intangibles, included within operating expenses below)	89,258	110,073	199,407	222,431
GROSS PROFIT	31,052	67,984	125,596	121,497
Selling, general and administrative expenses	70,921	61,042	135,977	133,540
Research and development expenses	9,457	9,495	19,268	18,209
Amortization of intangibles	6,152	9,950	12,294	21,015
Impairment of goodwill	0	0	267,923	15,955
Impairment of intangible assets	400	394	400	10,748
Litigation rulings, settlements and contingencies	0	74,469	(7,470)	74,879
TOTAL OPERATING EXPENSES	86,930	155,350	428,392	274,346
OPERATING (LOSS)	(55,878)	(87,366)	(302,796)	(152,849)
Amortization of deferred financing costs	0	(5,655)	(8,629)	(6,959)
Interest expense, net	(32,674)	(17,341)	(57,038)	(31,668)
Reorganization items, net	(5,809)	0	(5,809)	0
Other non-operating (expense) income, net	(65)	245	(326)	598
(LOSS) BEFORE INCOME TAXES	(94,426)	(110,117)	(374,598)	(190,878)
Income tax (benefit)/provision	(25,764)	1,482	(49,209)	2,902
NET (LOSS)	$ (68,662)	$ (111,599)	$ (325,389)	$ (193,780)
NET (LOSS) PER COMMON SHARE:
Net (Loss) per Common Share, basic and diluted (in Dollars per share)	$ (0.51)	$ (0.89)	$ (2.49)	$ (1.54)
SHARES USED IN COMPUTING NET (LOSS) PER COMMON SHARE:
WEIGHTED AVERAGE BASIC AND DILUTED (in Shares)	133,423	126,043	130,535	125,806
COMPREHENSIVE (LOSS):
Net (loss)	$ (68,662)	$ (111,599)	$ (325,389)	$ (193,780)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent	4	(3)	3	(3)
Foreign currency translation gain	646	1,380	122	956
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent	115	190	229	74
COMPREHENSIVE (LOSS)	$ (67,897)	$ (110,032)	$ (325,035)	$ (192,753)