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Inventories | 9 Months Ended
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Sep. 30, 2017
Inventory Disclosure [Abstract] |
Inventories | 4. Inventories Inventories consist primarily of telecommunications systems and parts, and are recorded at the lower of cost (average cost) or market. We evaluate the need for write-downs associated with obsolete, slow-moving, and nonsalable inventory by reviewing net realizable inventory values on a periodic basis. Inventories as of September 30, 2017 and December 31, 2016, all of which were included within the BA segment, were as follows (in thousands):
|  | September 30, |  |  | December 31, |
|  | 2017 |  |  | 2016 |
Work-in-process component parts |  | $ | 37,462 |  |  | $ | 39,150 |
Finished goods |  |  | 11,159 |  |  |  | 11,116 |
Total inventory |  | $ | 48,621 |  |  | $ | 50,266 |

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
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