Property, Plant And Equipment (Schedule Of Property, Plant And Equipment) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross, total	$ 645,090	$ 624,573
Accumulated depreciation	(354,178)	(338,010)
Property, plant and equipment, net	290,912	286,563	306,235
Land And Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross, total	27,470	30,587
Building [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross, total	160,427	175,513
Machinery And Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross, total	292,131	274,865
Tooling, Dies, Patterns, Etc [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross, total	65,789	61,263
Office Furniture And Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross, total	46,224	47,540
Other Property Plant And Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross, total	18,415	17,201
Construction In Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross, total	$ 34,634	$ 17,604