Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 6,205,924	$ 6,072,394
Less accumulated depreciation and amortization	(3,589,697)	(3,493,377)
Total property, plant and equipment, net	2,616,227	2,579,017
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	241,920	237,815
Land use rights
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	26,845	26,845
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,023,490	1,010,201
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	4,281,561	4,226,401
Software and computer equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	202,920	197,266
Furniture, fixtures and other equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	21,198	21,259
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 407,990	$ 352,607