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Restricted Cash / Restricted Assets (Tables) | 8 Months Ended
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Dec. 31, 2014
Cash and Cash Equivalents [Abstract] |
Summary of Restricted Cash / Restricted Assets | A summary of restricted cash / restricted assets as of December 31, 2014, April 30, 2014 and April 30, 2013 is as follows:
|  | December 31, 2014 |  |  | April 30, 2014 |  |  | April 30, 2013 |
Current: |  |  |  |  |  |  |  |  |  |  |  |
Landfill closure |  | $ | 76 |  |  | $ | 76 |  |  | $ | 76 |
Non Current: |  |  |  |  |  |  |  |  |  |  |  |
Capital projects |  | $ | 5,819 |  |  | $ | — |  |  | $ | — |
Landfill closure |  |  | 813 |  |  |  | 681 |  |  |  | 545 |
Total |  | $ | 6,632 |  |  | $ | 681 |  |  | $ | 545 |

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- Definition Tabular disclosure of the cash and cash items which are restricted as to withdrawal or usage. The provisions of any restrictions are described in a note to the financial statements. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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