Consolidated Statements of Cash Flows - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
NET INCOME (LOSS)		$ (14,277)	$ (53,044)	$ (70,242)	$ (48,873)
(Income) Loss from Discontinued Operations, Net of Tax, Attributable to Parent		0	0	(5,693)	(550)
Adjustments:
Amortization		45,678	31,184	130,758	91,420
Accretion		3,073	3,117	9,023	10,321
Deferred income taxes		(10,545)	(3,276)	(27,962)	(4,087)
Gain (Loss) on Extinguishment of Debt		1,282	0	1,282	0
Fair value adjustments, net		(4,377)	(715)	(8,201)	(2,907)
Stock-based compensation		2,432	1,942	6,642	6,578
Inventory Write-down		13,966	30,787	41,285	30,787
Deferred revenue recognition		(15,250)	(582)	(16,008)	(1,666)
Foreign exchange and other		8,994	3,520	15,733	6,846
Changes in operating assets and liabilities:
Receivables		(3,350)	(5,930)	(20,709)	(16,509)
Prepaid expenses and other current assets		1,375	1,377	(2,143)	3,868
Inventories		(9,389)	(8,156)	(42,601)	(19,630)
Accounts payable and accrued liabilities		22,384	5,565	41,421	(35,562)
CASH PROVIDED BY OPERATING ACTIVITIES		41,996	5,789	52,585	20,036
Cash provided by (used in) activities of discontinued operations		0	0	0	(2,690)
Net Cash Provided by (Used in) Operating Activities		41,996	5,789	52,585	17,346
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures		(30,678)	(39,472)	(78,865)	(122,982)
Proceeds from the sale of assets		26	393	930	549
Purchase of investments		0	(15)	0	(415)
Sales and maturities of short-term investments		1,007	(78)	2,109	12,682
Proceeds from Collection of Notes Receivable		0	15,000	7,168	15,000
Other		(57)	64	1,961	(34)
Net Cash Provided by (Used in) Investing Activities, Continuing Operations		(29,702)	(24,108)	(66,697)	(95,200)
Cash provided by (used in) activities of discontinued operations		0	0	0	(28,470)
CASH PROVIDED BY (USED IN) INVESTING ACTIVITIES		(29,702)	(24,108)	(66,697)	(123,670)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from Issuance of Common Stock		73,781	0	122,668	0
Issuance of notes and bank borrowings, net of issuance costs		30,000	25,000	45,000	40,000
Payments on long-term debt, capital leases, and associated costs		(87,778)	(25,533)	(201,051)	(48,355)
Other		301	(77)	(2,958)	(4,916)
Cash provided by (used in) activities of continuing operations		16,304	(610)	(36,341)	(13,271)
Cash provided by (used in) activities of discontinued operations		0	0	0	(22)
Cash provided by (used in) activities of discontinued operations		16,304	(610)	(36,341)	(13,293)
Effect of exchange rate changes on cash and cash equivalents		(192)	183	65	565
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS		28,406	(18,746)	(50,388)	(119,052)
Less net cash provided by (used in) discontinued operations	[1]	0	0	0	(32,930)
NET CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH		28,406	(18,746)	(50,388)	(86,122)
Cash, cash equivalents and restricted cash at beginning of period		39,275	136,026	118,069	203,402
Cash, cash equivalents and restricted cash at end of period		$ 67,681	$ 117,280	$ 67,681	117,280
Net subsidiary payments to parent company					$ 1,748

[1] Less net cash used in discontinued operations includes the following cash transactions: net subsidiary payments to parent company of $1,748, during the nine months ended