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Schedule 2-Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2013
Valuation and Qualifying Accounts [Abstract]  
Schedule 2-Valuation and Qualifying Accounts

Schedule 2—Valuation and Qualifying Accounts

For the years ended December 31, 2013, 2012 and 2011:

 

           Additions              

(U.S. Dollars in thousands)

Provisions from assets to which they apply:

    Balance at
beginning
of year		     Charged to
cost and
expenses		     Charged
(credited)
to other
accounts		     Deductions/
Other		     Balance at
end of year		  

2013 (Restated)

           

Allowance for doubtful accounts receivable

    $ 6,673      $ 4,590        —       $ (2,152 )    $ 9,111   

Deferred tax valuation allowance

      26,361        5,411        —         —         31,772   

2012 (Restated)

           

Allowance for doubtful accounts receivable

    $ 6,184      $ 2,027      $ (13 )    $ (1,525 )    $ 6,673   

Deferred tax valuation allowance

      19,124        7,237        —         —         26,361   

2011 (Restated)

           

Allowance for doubtful accounts receivable

    $ 6,784 (1)    $ 4,523      $ —        $ (5,123 )    $ 6,184   

Deferred tax valuation allowance

      21,023        (1,899 )      —         —         19,124   

 

(1) Balance at beginning of year includes a $242 thousand increase in allowance for doubtful accounts for an error correction recorded in the Further Restatement.