Additional Balance Sheet And Cash Flow Information (Property, Plant And Equipment, At Cost) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 3,173,653	$ 2,995,707
Accumulated depreciation	(2,231,235)	(2,112,630)
Total property, plant and equipment, net	942,418	883,077
Land and related improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	56,554	55,238
Buildings and related improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	453,433	475,268
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,859,443	1,823,790
Software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	524,076	440,703
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 280,147	$ 200,708