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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

(dollars in thousands)

 

Accounts Receivable Allowance for Doubtful Accounts

    Balance at
Beginning
of Year		      Charged to
Expense		      Additions/
(Deductions)  (1)		     Balance at
End of
Year		  

2011

    $ 9,710       $ 1,321       $ (62 )    $ 10,969   

2010

      9,167         917         (374 )      9,710   

2009

      14,438         1,970         (7,241 )      9,167   

(1) Primarily accounts receivable written off during the period.