Annual report pursuant to Section 13 and 15(d)

Valuation and Qualifying Accounts

v2.4.0.6
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

 

                                         

Classifications

   Balance
at
beginning
of year 		    Charged
to  cost
and
expenses 		    Charged
to other
accounts		     Deductions     Balance
at end of
year		  
    (Dollars in Thousands)  

Year ended December 31, 2011

                                        

Allowance for doubtful accounts and notes

   $ 7,020     $ 2,258     $ 2,034     $ 5,700     $ 1,544  

Allowance for obsolete rig materials and supplies

   $ 309     $ 26     $ —       $ 19     $ 316  

Deferred tax valuation allowance

   $ 5,532     $ 2,542     $ 1,607     $ —       $ 6,467  

Year ended December 31, 2010

                                        

Allowance for doubtful accounts and notes

   $ 4,095     $ 3,244     $ 211     $ 108     $ 7,020  

Allowance for obsolete rig materials and supplies

   $ —       $ 309     $ —       $ —       $ 309  

Deferred tax valuation allowance

   $ 5,194     $ 338     $ —       $ —       $ 5,532  

Year ended December 31, 2009

                                        

Allowance for doubtful accounts and notes

   $ 3,169     $ 2,246     $ —       $ 1,320     $ 4,095  

Allowance for obsolete rig materials and supplies

   $ —       $ —       $ —       $ —       $ —    

Deferred tax valuation allowance

   $ 4,556     $ 638     $ —       $ —       $ 5,194