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Valuation and Qualifying Accounts (Tables)
 12 Months Ended
Dec. 31, 2017
Valuation and Qualifying Accounts [Abstract]  
Summary of Changes in Valuation and Qualifying Accounts
The following table presents the changes in our valuation and qualifying accounts. Other reserves primarily include our accrual of the cost associated with purchases made on our website related to the use of fraudulent credit cards “charged-back” due to payment disputes and cancellation fees.
Description
Balance at
Beginning of
Period
 
Charges to
Earnings
 
Charges to
Other
Accounts(1)
 
Deductions
 
Balance at End
of Period
 
(In thousands)
2017
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts
$
25,278

 
$
18,567

 
$
598

 
$
(13,747
)
 
$
30,696

Other reserves
24,493

 
 
 
 
 
 
 
22,368

2016
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts
$
27,035

 
$
12,191

 
$
(2,554
)
 
$
(11,394
)
 
$
25,278

Other reserves
29,959

 
 
 
 
 
 
 
24,493

2015
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts
$
13,760

 
$
11,513

 
$
10,309

 
$
(8,547
)
 
$
27,035

Other reserves
25,258

 
 
 
 
 
 
 
29,959

___________________________________
(1)
Charges to other accounts primarily relates to amounts acquired through acquisitions and net translation adjustments.