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Schedule II | 12 Months Ended
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Dec. 31, 2015
Valuation and Qualifying Accounts [Abstract] |
Schedule II | SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS FOR THE YEARS ENDED DECEMBER 31, 2015, 2014 AND 2013 (IN THOUSANDS)
| Balance at Beginning of Year |  | Additions Charged to Expenses |  | Net Deductions (Recoveries) |  | Balance at End of Year
Allowance for doubtful accounts |  |  |  |  |  |  |
2015 | $ | 3,392 |  |  | $ | 1,368 |  |  | $ | (2,463 | ) |  | $ | 2,297 |
2014 | $ | 6,783 |  |  | $ | 1,402 |  |  | $ | (4,793 | ) |  | $ | 3,392 |
2013 | $ | 10,443 |  |  | $ | 3,531 |  |  | $ | (7,191 | ) |  | $ | 6,783 |
Valuation allowance for deferred tax assets |  |  |  |  |  |
2015 | $ | 5,714 |  |  | $ | — |  |  | $ | (9 | ) |  | $ | 5,705 |
2014 | $ | 5,741 |  |  | $ | — |  |  | $ | (27 | ) |  | $ | 5,714 |
2013 | $ | 5,773 |  |  | $ | — |  |  | $ | (32 | ) |  | $ | 5,741 |

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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 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 + Details
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- References No definition available. + Details
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