Condensed Consolidated Statements of Comprehensive (Loss) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Income Statement [Abstract]
Revenues, net	$ 204,693	$ 165,871
Cost of sales (exclusive of amortization of intangibles, included within operating expenses below)	110,149	112,358
GROSS PROFIT	94,544	53,513
Selling, general and administrative expenses	65,056	72,498
Research and development expenses	9,811	8,714
Amortization of intangibles	6,142	11,065
Impairment of goodwill	267,923	15,955
Impairment of intangible assets	0	10,354
Litigation rulings, settlements and contingencies	(7,470)	410
TOTAL OPERATING EXPENSES	341,462	118,996
OPERATING (LOSS)	(246,918)	(65,483)
Amortization of deferred financing costs	(8,629)	(1,304)
Interest expense, net	(24,364)	(14,327)
Other non-operating (expense) income, net	(261)	353
(LOSS) BEFORE INCOME TAXES	(280,172)	(80,761)
Income tax (benefit)/provision	(23,445)	1,420
NET (LOSS)	$ (256,727)	$ (82,181)
NET (LOSS) PER COMMON SHARE:
Net (Loss) per Common Share, basic and diluted (in Dollars per share)	$ (2.01)	$ (0.65)
SHARES USED IN COMPUTING NET (LOSS) PER COMMON SHARE:
WEIGHTED AVERAGE BASIC AND DILUTED (in Shares)	127,648	125,566
COMPREHENSIVE (LOSS):
Net (loss)	$ (256,727)	$ (82,181)
Unrealized holding (loss) on available-for-sale securities, net of tax of $0 and $0 for the three month periods ended March 31, 2020 and 2019, respectively.	(1)	0
Foreign currency translation (loss)	(524)	(424)
Pension liability adjustment gain/(loss), net of tax of ($29) and $30 for the three month periods ended March 31, 2020 and 2019, respectively.	114	(116)
COMPREHENSIVE (LOSS)	$ (257,138)	$ (82,721)