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Description of the Business and Basis of Presentation (Tables) | 9 Months Ended
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Oct. 31, 2014
Accounting Policies [Abstract] |
Schedule of Net Revenues by Service Category | The revenues associated with project development services include additional amounts earned upon the success of activities performed by project developers including the closing of permanent financing.
|  | Three Months Ended October 31, |  |  | Nine Months Ended October 31, |
Category of Service |  | 2014 |  |  | 2013 |  |  | 2014 |  |  | 2013 |
Core services |  | $ | 125,660,000 |  |  | $ | 46,858,000 |  |  | $ | 275,902,000 |  |  | $ | 146,147,000 |
Project development services |  |  | — |  |  |  | 14,245,000 |  |  |  | — |  |  |  | 14,245,000 |
Total Revenues |  | $ | 125,660,000 |  |  | $ | 61,103,000 |  |  | $ | 275,902,000 |  |  | $ | 160,392,000 |

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- Definition Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9031-108599 + Details
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