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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
 12 Months Ended
Dec. 31, 2013
SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS [Abstract]  
SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS
SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS

For the years ended December 31, 2013, 2012 and 2011
(in thousands of dollars)

 
 
Balance at
beginning of
year
  
Additions (A)
  
Deductions (B)
  
Other (C)
  
Balance at
end of year
 
Allowance for doubtful accounts
 
  
  
  
  
 
Year ended December 31, 2013
 
$
278
  
$
1,141
  
$
(16
)
 
$
42
  
$
1,445
 
Year ended December 31, 2012
 
$
474
  
$
144
  
$
( 313
)
 
$
(27
)
 
$
278
 
Year ended December 31, 2011
 
$
306
  
$
483
  
$
(256
)
 
$
(59
)
 
$
474
 
 
 (A)Includes charges to costs and expenses, net of any equipment recovered
(B)Includes deductions for uncollectible accounts receivable, net of any equipment recovered
(C)Miscellaneous activity for product sales recognized on a cash basis