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Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2018
Accounting Policies [Abstract] |
Schedule of Foreign Currency Transaction Gains and Losses | The following table summarizes foreign currency transaction gains and losses recognized in the income statement:
(in thousands) |  | 2018 |  |  | 2017 |  |  | 2016 |
(Gains)/losses included in: |  |  |  |  |  |  |  |  |
Selling, general, and administrative expenses |  | $(274 | ) |  | $4,127 |  |  | $(381 | )
Other expense, net |  | (67 | ) |  | 4,634 |  |  | (3,532 | )
Total transaction (gains)/losses |  | $(341 | ) |  | $8,761 |  |  | $(3,913 | )
Schedule of foreign currency gains and losses on long-term intercompany loans | The following table presents foreign currency gains on long-term intercompany loans that were recognized in Other comprehensive income:
(in thousands) |  | 2018 |  |  | 2017 |  |  | 2016 |
Gain on long-term intercompany loans |  | $- |  |  | $1,867 |  |  | $3,515 |
Schedule of Accounts Receivable | As of December 31, 2018 and 2017, Accounts receivable consisted of the following:
(in thousands) | December 31, 2018 |  | December 31, 2017 |
Trade and other accounts receivable | $211,244 |  | $152,375 |
Bank promissory notes | 19,269 |  | 20,255 |
Revenue in excess of progress billings | - |  | 37,964 |
Allowance for doubtful accounts | (7,337 | ) | (7,919 | )
Total accounts receivable | $223,176 |  | $202,675 |

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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://fasb.org/us-gaap/role/ref/legacyRef -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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- Definition Tabular disclosure of long-term intercompany foreign balances, including related intercompany entity, underlying foreign currencies and amounts of intercompany foreign currency transactions that are of a long-term investment nature (that is settlement is not planned or anticipated in the foreseeable future), as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109240241&loc=d3e32211-110900 + Details
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