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Summary of Significant Accounting Policies (Tables) | 3 Months Ended
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Mar. 31, 2018
Accounting Policies [Abstract] |
Schedule of Goodwill | The following is a summary of goodwill activity for the three months ended March 31, 2018 (in thousands):
|  | Balance as of December 31, 2017 |  | Impact of Change in Foreign Exchange Rates |  | Balance as of March 31, 2018
Merger / Portfolio Acquisition |  |  |  |  |  |
Telx Acquisition |  | $ | 330,845 |  |  | $ | — |  |  | $ | 330,845 |
European Portfolio Acquisition |  | 466,604 |  |  | 15,515 |  |  | 482,119 |
DuPont Fab ros Technology Merger |  | 2,592,146 |  |  | — |  |  | 2,592,146 |
Total |  | $ | 3,389,595 |  |  | $ | 15,515 |  |  | $ | 3,405,110 |

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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