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Acquisition (Narratives) (Details) - Secure [Member] - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2016 | Dec. 31, 2015
Business Combinations [Line Items] |  |
Acquisition Date |  | Nov. 12, 2015
Name of acquired entity | Secure Communication Systems, Inc. and its subsidiaries (collectively referred to as Secure Technology or Secure) |
Purchase price paid |  | $ 230,504
Goodwill | $ 153,499 |

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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585 + Details
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