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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Apr. 30, 2015
BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES [Abstract] |
Summary of Changes in Allowance for Doubtful Accounts | A summary of the changes in the allowance for doubtful accounts for fiscal years ended April 30, 2015, 2014 and 2013 is as follows:
|  | (in thousands) |
|  | 2015 |  | 2014 |  | 2013 |
Balance at beginning of year |  | $ | 1,044 |  | $ | 1,393 |  | $ | 1,363 |
Provision |  | 967 |  | 434 |  | 665 |
Write-off |  | (855 | ) | (783 | ) | (635 | )
Balance at close of year |  | $ | 1,156 |  | $ | 1,044 |  | $ | 1,393 |
Summary of Total Gain on Involuntary Conversion | Final settlement of the 2012 Fire insurance claim was reached in fiscal year 2014 with total proceeds received of $5.1 million for redevelopment. Insurance proceeds for these events exceeded the basis in the assets requiring replacement, resulting in recognition of the following gains from involuntary conversion in fiscal years 2014 and 2013:
|  | (in thousands) |
Year Ended April 30, |  | 2014 |  | 2013 |
Gain on involuntary conversion |  |  |  |  |
Flood |  | $ | 0 |  | $ | 2,821 |
2012 Fire |  | 2,480 |  | 2,263 |
Total gain on involuntary conversion |  | $ | 2,480 |  | $ | 5,084 |

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- Definition Tabular disclosure of financing receivables (examples of financing receivables include loans, trade accounts receivable and notes receivable) and activity in the allowance for credit losses account. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 + Details
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- Definition Tabular disclosure of the nature and financial statement effects of all material events or transactions (that would not reasonably be expected to recur in the foreseeable future) that possesses a high degree of abnormality and are incidentally related to, the ordinary and typical activities of the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6365513&loc=d3e15138-107781 + Details
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