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ACCOUNTS RECEIVABLE (Tables) | 6 Months Ended
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Jun. 30, 2016
Receivables [Abstract] |
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] | Accounts receivable consisted of the following (amounts in thousands):
| June 30, 2016 |  | December 31, 2015
Accounts receivable | $ | 201,014 |  |  | $ | 181,916 |
Allowance for doubtful accounts | (4,296 | ) |  | (4,527 | )
Accounts receivable, net | $ | 196,718 |  |  | $ | 177,389 |

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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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