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Valuation and Qualifying Accounts (Tables) | 12 Months Ended
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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 |
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(1) | Charges to other accounts primarily relates to amounts acquired through acquisitions and net translation adjustments.

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