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Acquisitions - Consideration (Details) - USD ($) $ in Thousands |  |  | 3 Months Ended
--- | --- | --- | ---
Oct. 05, 2015 | Mar. 27, 2015 | Dec. 31, 2015 | Mar. 31, 2015
DigiCore/Ctrack |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Cash payments |  |  | $ 79,365 |
Equity consideration |  |  | 623 |
Total purchase price | $ 80,000 |  | $ 79,988 |
FW |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Cash payments |  | $ 9,300 |  | $ 9,268
Equity consideration |  | 15,000 |  | 15,000
Other assumed liabilities |  | 500 |  | 509
Total purchase price |  | $ 24,800 |  | $ 24,777

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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 + Details
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