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Reportable Segments and Geographic Data (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Albany Aerostructures Composites LLC (AAC) [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Invoiced receivables, unbilled receivables and contract receivables | $ 58,600 | $ 37,100 |
Acquisition expense |  | $ 5,400 |
Albany Safran Composites, LLC [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Ownership percentage of noncontrolling shareholder | 10.00% | 10.00% |
Safran [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sale | $ 119,200 | $ 88,900 | $ 58,100

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- Definition The capitalized costs incurred during the period (excluded from amortization) to purchase, lease or otherwise acquire an unproved property, including costs of lease bonuses and options to purchase or lease properties, the portion of costs applicable to minerals when land including mineral rights is purchased in fee, brokers' fees, recording fees, legal costs, and other costs incurred in acquiring properties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-10(c)(7)(ii)) -URI http://asc.fasb.org/extlink&oid=82851474&loc=d3e511914-122862 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-10(c)(3)(ii)(A)) -URI http://asc.fasb.org/extlink&oid=82851474&loc=d3e511914-122862 + Details
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