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VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
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Dec. 31, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
VALUATION AND QUALIFYING ACCOUNTS |
Column A |  | Column B |  | Column C |  | Column D |  | Column E
Description |  | Balance at beginning of period |  | Charge to expense |  | Other |  | Balance at end of the period
Allowance for doubtful accounts |  |  |  |  |  |  |  |
Year ended December 31: |  |  |  |  |  |  |  |
2019 |  | $7,337 |  | $309 |  | $(5,927) |  | $1,719
2018 |  | 7,919 |  | 579 |  | (1,161) |  | 7,337
2017 |  | 6,952 |  | 1,388 |  | (421) |  | 7,919
Allowance for sales returns |  |  |  |  |  |  |  |
Year ended December 31: |  |  |  |  |  |  |  |
2019 |  | $11,343 |  | $7,278 |  | $(7,372) |  | $11,249
2018 |  | 11,370 |  | 8,372 |  | (8,399) |  | 11,343
2017 |  | 13,714 |  | 8,909 |  | (11,253) |  | 11,370
Valuation allowance deferred tax assets |  |  |  |  |  |  |  |
Year ended December 31: |  |  |  |  |  |  |  |
2019 |  | $8,389 |  | $859 |  | $(146) |  | $9,102
2018 |  | 16,057 |  | (4,882) |  | (2,786) |  | 8,389
2017 |  | 22,821 |  | (3,552) |  | (3,212) |  | 16,057
(A) | Amounts sold, written off, or recovered, and the effect of changes in currency translation rates, are included in Column D.

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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