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Summary Of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2013
Significant Accounting Policies [Line Items]  
Summary Of Activity Recorded Within The Allowance For Doubtful Accounts
    2013     2012     2011  
Beginning balance   4,481     4,614     3,504  
Bad debt expense   910     920     1,799  
Reserves from acquisitions   183     189     896  
Accounts written off and other adjustments   (800 )   (1,242 )   (1,585 )
Ending balance $ 4,774   $ 4,481   $ 4,614  
Summary Of Activity Within The Reserve For Excess, Osolete, and Slow Moving Inventory
    2013     2012     2011  
Beginning balance   4,907     4,146     3,044  
Excess, obsolete and slow moving inventory expense   2,068     2,417     378  
Reserves from acquisitions   35     95     1,270  
Scrapped inventory and other adjustments   (1,440 )   (1,751 )   (546 )
Ending balance $ 5,570   $ 4,907   $ 4,146  
Summary Of Interest Capitalized And Depreciation Expense
    2013   2012   2011
Capitalized interest $ 182 $ 376 $ 250
Depreciation expense $ 20,478 $ 19,673 $ 19,872
Accounts Receivable [Member]
  
Significant Accounting Policies [Line Items]  
Schedule Of Concentration Of Risk By Risk Factor
  2013 2012
The Home Depot 15.9 % 16.9 %
Sales Revenue, Goods, Net [Member]
  
Significant Accounting Policies [Line Items]  
Schedule Of Concentration Of Risk By Risk Factor
  2013 2012 2011
The Home Depot 12.3 % 12.4 % 12.5 %