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Nature Of Operations And Significant Accounting Policies (Narrative) (Details) (USD $)
12 Months Ended
Dec. 31, 2011
segments
Dec. 31, 2010
Dec. 31, 2009
Property, Plant and Equipment [Line Items]      
Number of reporting segments 5    
Percentage of largest tax benefit for measurement of tax benefit recognized 50.00%    
Increase (decrease) in cost of sales by changes in level of LIFO inventories $ (800,000) $ (4,600,000) $ 300,000
Percentage of inventories cost, LIFO method   35.00%  
Higher value of LIFO inventories if valued under FIFO 12,300,000 12,300,000  
Depreciation expense 39,900,000 41,000,000 41,500,000
Number of reporting units 12 12  
Estimated cost of capital, minimum 8.00%    
Estimated cost of capital, maximum 17.00%    
Hypothetical decrease to fair values of each reporting unit 10.00%    
Amortization expense (21,646,000) (17,126,000) 14,100,000
Expected amortization expense for intangible assets, year 2012 19,400,000    
Expected amortization expense for intangible assets, year 2013 17,800,000    
Expected amortization expense for intangible assets, year 2014 15,900,000    
Expected amortization expense for intangible assets, year 2015 13,400,000    
Expected amortization expense for intangible assets, year 2016 49,700,000    
Intangible assets, net $ 146,227,000 $ 162,636,000  
Buildings And Improvements [Member]
     
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, estimated useful life- minimum, years 10    
Property, plant and equipment, estimated useful life- maximum, years 25    
Machinery And Equipment [Member]
     
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, estimated useful life- minimum, years 3    
Property, plant and equipment, estimated useful life- maximum, years 10