VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Accounts receivable allowances
Valuation Allowance for Impairment of Recognized Servicing Assets [Roll Forward]
Balance at Beginning of Period	$ 9,543	$ 12,060	$ 9,533
Additions	324,542	229,509	168,945
Deductions Charged to Reserves	(310,668)	(232,026)	(166,418)
Balance at End of Period	23,417	9,543	12,060
Rebates, fees and returns reserves
Valuation Allowance for Impairment of Recognized Servicing Assets [Roll Forward]
Balance at Beginning of Period	76,770	100,702	89,466
Additions	320,005	270,959	255,471
Deductions Charged to Reserves	(283,653)	(294,891)	(244,235)
Balance at End of Period	113,122	76,770	100,702
Valuation allowance for deferred tax assets
Valuation Allowance for Impairment of Recognized Servicing Assets [Roll Forward]
Balance at Beginning of Period	113,278	4,740	1,429
Additions	104,579	108,562	3,875
Deductions Charged to Reserves	(1,083)	(24)	(564)
Balance at End of Period	$ 216,774	$ 113,278	$ 4,740