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Valuation And Qualifying Accounts
12 Months Ended
Dec. 31, 2011
Valuation And Qualifying Accounts [Abstract]  
Valuation And Qualifying Accounts

Schedule II

Valuation and Qualifying Accounts

(Thousands)

 

Description

   Balance at
Beginning of Year
     Additions
Charged to
Costs and
Expenses
     Deductions
Returns and
Write-Offs
    Balance at
End of Year
 

Year ended December 31, 2011 Allowance for doubtful accounts

   $ 1,743       $ 215       $ (758   $ 1,200   

Year ended December 31, 2010 Allowance for doubtful accounts

     1,971         403         (631     1,743   

Year ended December 31, 2009 Allowance for doubtful accounts

     1,596         565         (190     1,971   

 

Description

   Balance at
Beginning of Year
     Additions
Charged to
Costs and
Expenses
     Deductions
Returns and
Write-Offs
    Balance at
End of Year
 

Year ended December 31, 2011 Income tax valuation allowance

   $ —         $ —         $ —        $ —     

Year ended December 31, 2010 Income tax valuation allowance

     3,495         —           (3,495     —     

Year ended December 31, 2009 Income tax valuation allowance

     7,977         337         (4,819     3,495