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SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS
 12 Months Ended
Dec. 31, 2011
SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS  
SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS

 

DESCRIPTION
  BALANCE AT
BEGINNING
OF PERIOD 		  ADDITIONS
(DEDUCTIONS)
TO COSTS AND
EXPENSES 		  ADDITIONS
(DEDUCTIONS)
TO OTHER
ACCOUNTS 		  DEDUCTIONS   BALANCE AT
END OF
PERIOD 		 
 
   (in thousands)
  

Allowance for Doubtful Accounts

                                

2011

   $ 460   $ 34   $ 56   $ (31)(a)   $ 519  

2010

   $ 452   $ 388   $ 52   $ (432)(a)   $ 460  

Reserve for Environmental Liability

                                

2011

   $ 1,187   $ 4   $ —   $ (325)(b)   $ 866  

2010

   $ 1,049   $ (415 ) $ 644   $ (91)(b)   $ 1,187  
(a)
Write off of uncollectible accounts

(b)
Payments