Property, Plant And Equipment (Summary Of Property, Plant And Equipment) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	$ 3,758,324	$ 3,639,857
Less accumulated depreciation and amortization	2,065,472	1,927,703
Net property, plant and equipment	1,692,852	1,712,154
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	178,110	180,584
Buildings And Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	730,668	682,395
Machinery And Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	2,550,779	2,470,485
Furniture And Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	98,519	90,963
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	54,880	54,501
Construction In Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	$ 145,368	$ 160,929