QUARTERLY RESULTS (UNAUDITED) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract]
Revenues	$ 612,316	$ 495,612	$ 532,577	$ 578,410	$ 799,927	$ 592,883	$ 617,396	$ 626,540
Cost of Revenue	302,275	217,672	240,445	272,394	433,858	286,894	293,738	301,655
Gross Profit	310,041	277,940	292,132	306,016	366,069	305,989	323,658	324,885	$ 1,186,129	$ 1,320,601	$ 1,333,861
Income (loss) from operations	40,105	4,637	(7,139)	2,195	61,876	53,023	(64,245)	3,385	39,798	54,039	29,435
Income (loss) from continuing operations	79,208	(14,685)	(37,645)	(41,170)	49,862	47,175	(92,254)	(2,795)	(14,292)	1,988	28,601
Income (loss) from discontinued operations, net of tax	435	0	0	2,162	0	0	0	0	2,597	0	(1,974)
Net income (loss) attributable to parent	$ 77,041	$ (16,685)	$ (40,246)	$ (42,487)	$ 46,228	$ 44,615	$ (95,034)	$ (6,888)	$ (22,377)	$ (11,079)	$ 14,040
Income (Loss) from Continuing Operations, Per Basic Share	$ 0.14	$ (0.03)	$ (0.07)	$ (0.08)	$ 0.08	$ 0.08	$ (0.17)	$ (0.01)	$ (0.04)	$ (0.02)	$ 0.03
Discontinued operations (in usd per share)	0.00	0	0	0.01	0	0	0	0	0.00	0	0.00
Basic net income (loss) per share (in usd per share)	0.14	(0.03)	(0.07)	(0.07)	0.08	0.08	(0.17)	(0.01)	(0.04)	(0.02)	0.03
Income (Loss) from Continuing Operations, Per Diluted Share	0.13	(0.03)	(0.07)	(0.08)	0.08	0.08	(0.17)	(0.01)	(0.04)	(0.02)	0.03
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share	0.00	0	0	0.01	0	0	0	0	0.00	0	(0.01)
Earnings Per Share, Diluted	$ 0.13	$ (0.03)	$ (0.07)	$ (0.07)	$ 0.08	$ 0.08	$ (0.17)	$ (0.01)	$ (0.04)	$ (0.02)	$ 0.02