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Unbilled Receivables | 3 Months Ended
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Apr. 02, 2017
Contractors [Abstract] |
Unbilled Receivables | UNBILLED RECEIVABLES Unbilled receivables represent revenue recognized on long-term contracts less associated advances and progress billings. These amounts will be billed in accordance with the agreed-upon contractual terms or upon shipment of products or rendering of services. Unbilled receivables consisted of the following:
| April 2, 2017 |  | December 31, 2016
Unbilled revenue | $ | 25,979 |  |  | $ | 25,543 |
Advances and progress billings | (21,422 | ) |  | (21,331 | )
Net unbilled receivables | $ | 4,557 |  |  | $ | 4,212 |

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