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Schedule II - Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2013
Valuation and Qualifying Accounts [Abstract] |
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] |
Description |  | Balance at beginning of year |  | Provisions |  | Deductions from reserves |  | Balance at end of year
Year ended December 31, 2014 |  |  |  |  |  |  |  |
Allowance for doubtful accounts and billing adjustments |  | $ | 2,465 |  |  | 6,680 |  |  | (4,741 | ) |  | $ | 4,404 |
Workers’ compensation loss reserves |  | $ | 17,123 |  |  | 2,211 |  |  | (3,770 | ) |  | $ | 15,564 |
Year ended December 31, 2013 |  |  |  |  |  |  |  |
Allowance for doubtful accounts and billing adjustments |  | $ | 3,395 |  |  | 1,474 |  |  | (2,404 | ) |  | $ | 2,465 |
Workers’ compensation loss reserves |  | $ | 17,037 |  |  | 5,850 |  |  | (5,764 | ) |  | $ | 17,123 |
Year ended December 31, 2012 |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts and billing adjustments |  | $ | 2,468 |  |  | (446 | ) |  | 1,373 |  |  | $ | 3,395 |
Workers’ compensation loss reserves |  | $ | 16,391 |  |  | 3,399 |  |  | (2,753 | ) |  | $ | 17,037 |

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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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