Additional Balance Sheet And Cash Flow Information (Property, Plant And Equipment, At Cost) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 2,995,707	$ 2,802,984
Accumulated depreciation	(2,112,630)	(1,960,507)
Property, plant and equipment, net	883,077	842,477
Land and Related Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	55,238	56,146
Building and Related Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	475,268	424,431
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,823,790	1,816,599
Software and Software Development Costs [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	440,703	337,210
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 200,708	$ 168,598