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Schedule II VALUATION AND QUALIFYING ACCOUNTS
 12 Months Ended
Dec. 31, 2013
Valuation and Qualifying Accounts [Abstract]  
Schedule II VALUATION AND QUALIFYING ACCOUNTS
 
Balance at
Beginning of
Year
 
Additions
 
Deductions
 
Balance at
End of Year
Year ended December 31, 2013
 
 
 
 
 
 
 
Allowance for doubtful accounts(1)
$
2,782

 
$
125

 
$
868

 
$
2,039

Allowance for sales discounts(2)
3,836

 
46,989

 
47,285

 
3,540

Allowance for sales returns(3)
12,905

 
67,800

 
66,151

 
14,554

Chargeback allowance(4)
5,563

 
187

 
815

 
4,935

Year ended December 31, 2012
 
 
 
 
 
 
 
Allowance for doubtful accounts(1)
$
1,719

 
$
2,128

 
$
1,065

 
$
2,782

Allowance for sales discounts(2)
4,629

 
35,759

 
36,552

 
3,836

Allowance for sales returns(3)
11,313

 
53,165

 
51,573

 
12,905

Chargeback allowance(4)
4,031

 
5,879

 
4,347

 
5,563

Year ended December 31, 2011
 
 
 
 
 
 
 
Allowance for doubtful accounts(1)
$
1,379

 
$
642

 
$
302

 
$
1,719

Allowance for sales discounts(2)
5,819

 
36,254

 
37,444

 
4,629

Allowance for sales returns(3)
4,039

 
37,355

 
30,081

 
11,313

Chargeback allowance(4)
2,535

 
1,744

 
248

 
4,031

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(1)
The additions to the allowance for doubtful accounts represent the estimates of our bad debt expense based upon the factors for which we evaluate the collectability of our accounts receivable, with actual recoveries netted into additions. Deductions are the actual write offs of the receivables.
(2)
The additions to the allowance for sales discounts represent estimates of discounts to be taken by our customers based upon the amount of available outstanding terms discounts in the year-end aging. Deductions are the actual discounts taken by our customers.
(3)
The additions to the allowance for returns represent estimates of returns based upon our historical returns experience. Deductions are the actual returns of products.
(4)
The additions to the chargeback allowance represent chargebacks taken in the respective year as well as an estimate of chargebacks related to sales in the respective reporting period that will be taken subsequent to the respective reporting period. Deductions are the actual chargebacks written off against outstanding accounts receivable. The Company has estimated the additions and deductions by netting each quarter's change and summing the four quarters for the respective year.
   
See accompanying report of independent registered public accounting firm.