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Segment Reporting Schedule Of Long-Lived Assets By Reportable Segment (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Segment Reporting Information [Line Items]    
Net property, plant and equipment $ 820,985 [1] $ 833,907 [1]
Industrial Materials [Member]
   
Segment Reporting Information [Line Items]    
Net property, plant and equipment 601,322 633,205
Engineered Solutions [Member]
   
Segment Reporting Information [Line Items]    
Net property, plant and equipment $ 219,663 $ 200,702
[1] Long-lived assets represent fixed assets, net of accumulated depreciation.