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Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2017
Valuation and Qualifying Accounts [Abstract] |
Valuation and Qualifying Accounts | Schedule II Valuation and Qualifying Accounts (in thousands)
Description |  |  | Balance at Beginning of Period |  | Charged to Costs and Expenses |  | Deductions (a) |  | Other (b) |  | Balance at End of Period
Year Ended December 31, 2017: |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 8,556 |  |  | $ | 3,296 |  |  | $ | (3,174 | ) |  | $ | 365 |  |  | $ | 9,043 |
Allowance for sales returns and miscellaneous claims |  | 39,768 |  |  | 80,116 |  |  | (75,066 | ) |  | 1,488 |  |  | 46,306 |
Year Ended December 31, 2016: |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 9,928 |  |  | $ | 2,037 |  |  | $ | (3,406 | ) |  | $ | (3 | ) |  | $ | 8,556 |
Allowance for sales returns and miscellaneous claims |  | 40,510 |  |  | 49,822 |  |  | (50,548 | ) |  | (16 | ) |  | 39,768 |
Year Ended December 31, 2015: |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 8,943 |  |  | $ | 2,788 |  |  | $ | (1,239 | ) |  | $ | (564 | ) |  | $ | 9,928 |
Allowance for sales returns and miscellaneous claims |  | 27,379 |  |  | 54,017 |  |  | (40,022 | ) |  | (864 | ) |  | 40,510 |
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(a) | Charges to the accounts included in this column are for the purposes for which the reserves were created.
(b) | Amounts included in this column primarily relate to foreign currency translation.

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 + Details
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- References No definition available. + Details
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