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Exit Activity Costs and Asset Impairments (Summary Of Exit Activity Costs And Asset Impairments by Segment) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Restructuring Cost and Reserve [Line Items]        
Total exit activity costs $ 662 $ 1,341 $ 1,266 $ 2,126
Residential Products
       
Restructuring Cost and Reserve [Line Items]        
Total exit activity costs 487 1,341 632 2,051
Industrial and Infrastructure Products
       
Restructuring Cost and Reserve [Line Items]        
Total exit activity costs $ 175 $ 0 $ 634 $ 75