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Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2017
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) |  | 2017 |  | 2016 |  | 2015
Losses/(gains) included in: |  |  |  |  |  |
Selling, general, and administrative expenses |  | $4,127 |  | ($381) |  | (5,090)
Other expense/(income), net |  | 4,634 |  | (3,532) |  | 1,496
Total transaction losses/(gains) |  | $8,761 |  | ($3,913) |  | ($3,594)
Schedule of foreign currency gains and losses on long-term intercompany loans | The following table presents foreign currency gains and losses on long-term intercompany loans that were recognized in Other comprehensive income:
(in thousands) |  | 2017 |  | 2016 |  | 2015
Gain/(loss) on long-term intercompany loans |  | $1,867 |  | $3,515 |  | ($5,225)
Schedule of Accounts Receivable | As of December 31, 2017 and 2016, Accounts receivable consisted of the following:
(in thousands) |  | 2017 |  | 2016 |
Trade and other accounts receivable |  | $152,375 |  | $146,460 |
Bank promissory notes |  | 20,255 |  | 15,759 |
Revenue in excess of progress billings |  | 37,964 |  | 15,926 |
Allowance for doubtful accounts |  | (7,919 | ) | (6,952 | )
Total accounts receivable |  | $202,675 |  | $171,193 |
Schedule of Inventories | As of December 31, 2017 and 2016, inventories consisted of the following:
(in thousands) |  | 2017 |  | 2016
Raw materials |  | $42,215 |  | $37,691
Work in process |  | 65,448 |  | 58,715
Finished goods |  | 28,856 |  | 37,500
Total inventories |  | $136,519 |  | $133,906

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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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