VARIABLE INTEREST ENTITIES (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Variable Interest Entity [Line Items]
Cash and Cash Equivalents, at Carrying Value	$ 200,188	$ 201,451	$ 189,360	$ 189,114
Inventory, Net	269,791	331,432
Other	9,232	10,984
Property, Plant and Equipment, Net	450,020	527,414
Other Assets, Noncurrent	109,203	116,757
Total assets	1,275,191	1,495,724	$ 1,821,231
Liabilities, Current	270,097	301,556
Liabilities	853,334	905,666
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Cash and Cash Equivalents, at Carrying Value	9,245	8,861
Inventory, Net	7,993	9,645
Other	13,763	18,115
Property, Plant and Equipment, Net	25,181	36,353
Other Assets, Noncurrent	5,179	8,016
Total assets	61,361	80,990
Liabilities, Current	12,850	11,659
Liabilities, Noncurrent	2,865	7,448
Liabilities	$ 15,715	$ 19,107